Number
122
122 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 3
- Digit sum
- 5
- Digital root
- 5
- Palindrome
- No
- Divisor count
- 4
- σ(n) — sum of divisors
- 186
Primality
Prime factorization: 2 × 61
Divisors & multiples
Aliquot sum (sum of proper divisors):
64
Representations
- In words
- one hundred twenty-two
- Ordinal
- 122nd
- Roman numeral
- CXXII
- Binary
- 1111010
- Octal
- 172
- Hexadecimal
- 7A
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122, here are decompositions:
- 13 + 109 = 122
- 19 + 103 = 122
- 43 + 79 = 122
- 61 + 61 = 122
ASCII character
As an ASCII codepoint, 122 is z. Printable ASCII character z.
Hex color
#00007A
RGB(0, 0, 122)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.122.