125457056 has 24 divisors (see below), whose sum is σ = 250125120. Its totient is φ = 61933248.

The previous prime is 125457041. The next prime is 125457067. The reversal of 125457056 is 650754521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22286 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (10421880).

Almost surely, 2^125457056 is an apocalyptic number.

125457056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125457056 is a deficient number, since it is larger than the sum of its proper divisors (124668064).

125457056 is an equidigital number, since it uses as much as digits as its factorization.

125457056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49716 (or 49708 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 125457056 is about 11200.7614026904. The cubic root of 125457056 is about 500.6086667489.

The spelling of 125457056 in words is "one hundred twenty-five million, four hundred fifty-seven thousand, fifty-six".