125053994 has 16 divisors (see below), whose sum is σ = 202681248. Its totient is φ = 57525552.

The previous prime is 125053993. The next prime is 125053997. The reversal of 125053994 is 499350521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125053993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (12667578).

Almost surely, 2^125053994 is an apocalyptic number.

125053994 is a deficient number, since it is larger than the sum of its proper divisors (77627254).

125053994 is a wasteful number, since it uses less digits than its factorization.

125053994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15989.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 125053994 is about 11182.7543118858. The cubic root of 125053994 is about 500.0719816368.

The spelling of 125053994 in words is "one hundred twenty-five million, fifty-three thousand, nine hundred ninety-four".