125655172 has 12 divisors (see below), whose sum is σ = 220093776. Its totient is φ = 62771240.

The previous prime is 125655139. The next prime is 125655203. The reversal of 125655172 is 271556521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8854 + ... + 18157.

It is an arithmetic number, because the mean of its divisors is an integer number (18341148).

Almost surely, 2^125655172 is an apocalyptic number.

It is an amenable number.

125655172 is a deficient number, since it is larger than the sum of its proper divisors (94438604).

125655172 is a wasteful number, since it uses less digits than its factorization.

125655172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28178 (or 28176 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 125655172 is about 11209.6017770481. The cubic root of 125655172 is about 500.8720408719.

The spelling of 125655172 in words is "one hundred twenty-five million, six hundred fifty-five thousand, one hundred seventy-two".