125265556 has 36 divisors (see below), whose sum is σ = 249193812. Its totient is φ = 54763776.

The previous prime is 125265487. The next prime is 125265589. The reversal of 125265556 is 655562521.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 114832656 = 3230^2 + 10716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15436 + ... + 22108.

Almost surely, 2^125265556 is an apocalyptic number.

It is an amenable number.

125265556 is a deficient number, since it is larger than the sum of its proper divisors (123928256).

125265556 is a wasteful number, since it uses less digits than its factorization.

125265556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6707 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 125265556 is about 11192.2096120471. The cubic root of 125265556 is about 500.3538242244.

The spelling of 125265556 in words is "one hundred twenty-five million, two hundred sixty-five thousand, five hundred fifty-six".