125725616 has 40 divisors (see below), whose sum is σ = 247317504. Its totient is φ = 61911360.

The previous prime is 125725609. The next prime is 125725631. The reversal of 125725616 is 616527521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563681 + ... + 563903.

Almost surely, 2^125725616 is an apocalyptic number.

125725616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125725616 is a deficient number, since it is larger than the sum of its proper divisors (121591888).

125725616 is a wasteful number, since it uses less digits than its factorization.

125725616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 125725616 is about 11212.7434644693. The cubic root of 125725616 is about 500.9656219480.

The spelling of 125725616 in words is "one hundred twenty-five million, seven hundred twenty-five thousand, six hundred sixteen".