121,687 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 121687 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

121687 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 121687:


See below for interesting mathematical facts about the number 121687 from the Numbermatics database.

Names of 121687

  • Cardinal: 121687 can be written as One hundred twenty-one thousand, six hundred eighty-seven.

Scientific notation

  • Scientific notation: 1.21687 × 105

Factors of 121687

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 121687

Divisors of 121687

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 121688
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 121687 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 121686

Bases of 121687

  • Binary: 111011011010101112
  • Hexadecimal: 0x1DB57
  • Base-36: 2LW7

Squares and roots of 121687

  • 121687 squared (1216872) is 14807725969
  • 121687 cubed (1216873) is 1801907749989703
  • The square root of 121687 is 348.8366379841
  • The cube root of 121687 is 49.5543056013

Scales and comparisons

How big is 121687?
  • 121,687 seconds is equal to 1 day, 9 hours, 48 minutes, 7 seconds.
  • To count from 1 to 121,687 would take you about nine hours.

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 121687 cubic inches would be around 4.1 feet tall.

Recreational maths with 121687

  • 121687 backwards is 786121
  • The number of decimal digits it has is: 6
  • The sum of 121687's digits is 25
  • More coming soon!

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The information we have on file for 121687 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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