125813930 has 16 divisors (see below), whose sum is σ = 247053024. Its totient is φ = 45750480.

The previous prime is 125813927. The next prime is 125813939. The reversal of 125813930 is 39318521.

It is not an unprimeable number, because it can be changed into a prime (125813939) by changing a digit.

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, 571772 + ... + 571991.

It is an arithmetic number, because the mean of its divisors is an integer number (15440814).

Almost surely, 2^125813930 is an apocalyptic number.

125813930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125813930 is a deficient number, since it is larger than the sum of its proper divisors (121239094).

125813930 is a wasteful number, since it uses less digits than its factorization.

125813930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143781.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 125813930 is about 11216.6808816156. The cubic root of 125813930 is about 501.0828929924.

The spelling of 125813930 in words is "one hundred twenty-five million, eight hundred thirteen thousand, nine hundred thirty".