125553337 has 12 divisors (see below), whose sum is σ = 157287396. Its totient is φ = 99338400.

The previous prime is 125553319. The next prime is 125553341. The reversal of 125553337 is 733355521.

It can be written as a sum of positive squares in 2 ways, for example, as 51782416 + 73770921 = 7196^2 + 8589^2 .

It is a de Polignac number, because none of the positive numbers 2^k-125553337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125553397) 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, 97914 + ... + 99187.

It is an arithmetic number, because the mean of its divisors is an integer number (13107283).

Almost surely, 2^125553337 is an apocalyptic number.

It is an amenable number.

125553337 is a deficient number, since it is larger than the sum of its proper divisors (31734059).

125553337 is a wasteful number, since it uses less digits than its factorization.

125553337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197128 (or 197121 counting only the distinct ones).

The product of its digits is 47250, while the sum is 34.

The square root of 125553337 is about 11205.0585451393. The cubic root of 125553337 is about 500.7366966895.

The spelling of 125553337 in words is "one hundred twenty-five million, five hundred fifty-three thousand, three hundred thirty-seven".