Base | Representation |
---|---|
bin | 1110100010110… |
… | …01101011010011 |
3 | 22111120100110110 |
4 | 13101121223103 |
5 | 222213032011 |
6 | 20034532403 |
7 | 3011000226 |
oct | 721315323 |
9 | 274510413 |
10 | 122002131 |
11 | 6295a009 |
12 | 34a37103 |
13 | 1c378314 |
14 | 122bb5bd |
15 | aa9dba6 |
hex | 7459ad3 |
122002131 has 8 divisors (see below), whose sum is σ = 165738960. Its totient is φ = 79800032.
The previous prime is 122002129. The next prime is 122002151. The reversal of 122002131 is 131200221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122002131 - 21 = 122002129 is a prime.
It is a super-2 number, since 2×1220021312 = 29769039937082322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122002121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383496 + ... + 383813.
It is an arithmetic number, because the mean of its divisors is an integer number (20717370).
Almost surely, 2122002131 is an apocalyptic number.
122002131 is a deficient number, since it is larger than the sum of its proper divisors (43736829).
122002131 is an equidigital number, since it uses as much as digits as its factorization.
122002131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767365.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 122002131 is about 11045.4574826034. The cubic root of 122002131 is about 495.9704540911.
Adding to 122002131 its reverse (131200221), we get a palindrome (253202352).
The spelling of 122002131 in words is "one hundred twenty-two million, two thousand, one hundred thirty-one".
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