125056072 has 8 divisors (see below), whose sum is σ = 234480150. Its totient is φ = 62528032.

The previous prime is 125056069. The next prime is 125056073. The reversal of 125056072 is 270650521.

It can be written as a sum of positive squares in only one way, i.e., 119552356 + 5503716 = 10934^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125056072² = 31278042288138368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125056072.

It is not an unprimeable number, because it can be changed into a prime (125056073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7815997 + ... + 7816012.

Almost surely, 2^125056072 is an apocalyptic number.

It is an amenable number.

125056072 is a deficient number, since it is larger than the sum of its proper divisors (109424078).

125056072 is a wasteful number, since it uses less digits than its factorization.

125056072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15632015 (or 15632011 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 125056072 is about 11182.8472224206. The cubic root of 125056072 is about 500.0747514905.

The spelling of 125056072 in words is "one hundred twenty-five million, fifty-six thousand, seventy-two".