# 122

## 122 is an even composite number composed of two prime numbers multiplied together.

What does the number 122 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

122 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 122:

### 2 × 61

See below for interesting mathematical facts about the number 122 from the Numbermatics database.

### Names of 122

• Cardinal: 122 can be written as One hundred twenty-two.

### Scientific notation

• Scientific notation: 1.22 × 102

### Factors of 122

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 63

### Divisors of 122

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 186
• Sum of proper divisors (its aliquot sum) s(n): 64
• 122 is a deficient number, because the sum of its proper divisors (64) is less than itself. Its deficiency is 58

### Bases of 122

• Binary: 11110102
• Base-36: 3E

### Squares and roots of 122

• 122 squared (1222) is 14884
• 122 cubed (1223) is 1815848
• The square root of 122 is 11.0453610171
• The cube root of 122 is 4.9596756639

### Scales and comparisons

How big is 122?
• 122 seconds is equal to 2 minutes, 2 seconds.
• To count from 1 to 122 would take you about one second.

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 122 cubic inches would be around 0.4 feet tall.

### Recreational maths with 122

• 122 backwards is 221
• The number of decimal digits it has is: 3
• The sum of 122's digits is 5
• More coming soon!