125655051 has 8 divisors (see below), whose sum is σ = 168137424. Its totient is φ = 83471360.

The previous prime is 125655043. The next prime is 125655053. The reversal of 125655051 is 150556521.

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 125655051 - 2³ = 125655043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125655053) 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, 73686 + ... + 75371.

It is an arithmetic number, because the mean of its divisors is an integer number (21017178).

Almost surely, 2^125655051 is an apocalyptic number.

125655051 is a deficient number, since it is larger than the sum of its proper divisors (42482373).

125655051 is a wasteful number, since it uses less digits than its factorization.

125655051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149341.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 125655051 is about 11209.5963798881. The cubic root of 125655051 is about 500.8718800998.

The spelling of 125655051 in words is "one hundred twenty-five million, six hundred fifty-five thousand, fifty-one".