Base | Representation |
---|---|
bin | 1110100101111… |
… | …00010100001001 |
3 | 22112022212200020 |
4 | 13102330110021 |
5 | 222313444103 |
6 | 20051331053 |
7 | 3014302152 |
oct | 722742411 |
9 | 275285606 |
10 | 122406153 |
11 | 63105611 |
12 | 34bb0a89 |
13 | 1c48a19c |
14 | 12384929 |
15 | ab2d753 |
hex | 74bc509 |
122406153 has 8 divisors (see below), whose sum is σ = 163262400. Its totient is φ = 81577008.
The previous prime is 122406139. The next prime is 122406173. The reversal of 122406153 is 351604221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122406153 - 221 = 120309001 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (122406173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9043 + ... + 18071.
It is an arithmetic number, because the mean of its divisors is an integer number (20407800).
Almost surely, 2122406153 is an apocalyptic number.
It is an amenable number.
122406153 is a deficient number, since it is larger than the sum of its proper divisors (40856247).
122406153 is an equidigital number, since it uses as much as digits as its factorization.
122406153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13551.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 122406153 is about 11063.7314229875. The cubic root of 122406153 is about 496.5173357543.
The spelling of 122406153 in words is "one hundred twenty-two million, four hundred six thousand, one hundred fifty-three".
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