125225512 has 8 divisors (see below), whose sum is σ = 234797850. Its totient is φ = 62612752.

The previous prime is 125225489. The next prime is 125225537. The reversal of 125225512 is 215522521.

It can be written as a sum of positive squares in only one way, i.e., 124858276 + 367236 = 11174^2 + 606^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7826587 + ... + 7826602.

Almost surely, 2^125225512 is an apocalyptic number.

It is an amenable number.

125225512 is a deficient number, since it is larger than the sum of its proper divisors (109572338).

125225512 is a wasteful number, since it uses less digits than its factorization.

125225512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15653195 (or 15653191 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 125225512 is about 11190.4205461636. The cubic root of 125225512 is about 500.3005020275.

The spelling of 125225512 in words is "one hundred twenty-five million, two hundred twenty-five thousand, five hundred twelve".