122,401
122,401 is a prime, odd.
122,401 (one hundred twenty-two thousand four hundred one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1DE21.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 104,221
- Square (n²)
- 14,982,004,801
- Cube (n³)
- 1,833,812,369,647,201
- Divisor count
- 2
- σ(n) — sum of divisors
- 122,402
- φ(n) — Euler's totient
- 122,400
Primality
122,401 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,401 = [349; (1, 6, 14, 2, 3, 3, 7, 1, 12, 1, 5, 3, 1, 3, 1, 1, 1, 3, 1, 1, 2, 46, 3, 1, …)]
Representations
- In words
- one hundred twenty-two thousand four hundred one
- Ordinal
- 122401st
- Binary
- 11101111000100001
- Octal
- 357041
- Hexadecimal
- 0x1DE21
- Base64
- Ad4h
- One's complement
- 4,294,844,894 (32-bit)
- Scientific notation
- 1.22401 × 10⁵
- As a duration
- 122,401 s = 1 day, 10 hours, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 · 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵ρκβυαʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋠·𝋡
- Chinese
- 一十二萬二千四百零一
- Chinese (financial)
- 壹拾貳萬貳仟肆佰零壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.33.
- Address
- 0.1.222.33
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.33
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 122,401 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.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.