122,489
122,489 is a prime, odd.
122,489 (one hundred twenty-two thousand four hundred eighty-nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1DE79.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,152
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 984,221
- Recamán's sequence
- a(30,030) = 122,489
- Square (n²)
- 15,003,555,121
- Cube (n³)
- 1,837,770,463,216,169
- Divisor count
- 2
- σ(n) — sum of divisors
- 122,490
- φ(n) — Euler's totient
- 122,488
Primality
122,489 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,489 = [349; (1, 62, 1, 1, 1, 2, 1, 5, 17, 3, 12, 2, 1, 1, 139, 2, 1, 1, 12, 7, 1, 6, 1, 86, …)]
Representations
- In words
- one hundred twenty-two thousand four hundred eighty-nine
- Ordinal
- 122489th
- Binary
- 11101111001111001
- Octal
- 357171
- Hexadecimal
- 0x1DE79
- Base64
- Ad55
- One's complement
- 4,294,844,806 (32-bit)
- Scientific notation
- 1.22489 × 10⁵
- As a duration
- 122,489 s = 1 day, 10 hours, 1 minute, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβυπθʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋤·𝋩
- Chinese
- 一十二萬二千四百八十九
- Chinese (financial)
- 壹拾貳萬貳仟肆佰捌拾玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.121.
- Address
- 0.1.222.121
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.121
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 122,489 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.