125655556 has 36 divisors (see below), whose sum is σ = 239885184. Its totient is φ = 57564000.

The previous prime is 125655553. The next prime is 125655577. The reversal of 125655556 is 655556521.

It is not an unprimeable number, because it can be changed into a prime (125655553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101461 + ... + 102691.

Almost surely, 2^125655556 is an apocalyptic number.

It is an amenable number.

125655556 is a deficient number, since it is larger than the sum of its proper divisors (114229628).

125655556 is a wasteful number, since it uses less digits than its factorization.

125655556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1397 counting only the distinct ones).

The product of its digits is 225000, while the sum is 40.

The square root of 125655556 is about 11209.6189052082. The cubic root of 125655556 is about 500.8725510901.

The spelling of 125655556 in words is "one hundred twenty-five million, six hundred fifty-five thousand, five hundred fifty-six".