125072618 has 12 divisors (see below), whose sum is σ = 206215170. Its totient is φ = 56851080.

The previous prime is 125072603. The next prime is 125072639. The reversal of 125072618 is 816270521.

It can be written as a sum of positive squares in only one way, i.e., 88868329 + 36204289 = 9427^2 + 6017^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258173 + ... + 258656.

Almost surely, 2^125072618 is an apocalyptic number.

125072618 is a deficient number, since it is larger than the sum of its proper divisors (81142552).

125072618 is a wasteful number, since it uses less digits than its factorization.

125072618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516853 (or 516842 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 125072618 is about 11183.5869916588. The cubic root of 125072618 is about 500.0968052563.

The spelling of 125072618 in words is "one hundred twenty-five million, seventy-two thousand, six hundred eighteen".