125823812 has 12 divisors (see below), whose sum is σ = 221511360. Its totient is φ = 62534856.

The previous prime is 125823799. The next prime is 125823827. The reversal of 125823812 is 218328521.

It is a happy number.

It is a super-2 number, since 2×125823812² = 31663263332422688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93512 + ... + 94847.

It is an arithmetic number, because the mean of its divisors is an integer number (18459280).

Almost surely, 2^125823812 is an apocalyptic number.

It is an amenable number.

125823812 is a deficient number, since it is larger than the sum of its proper divisors (95687548).

125823812 is a wasteful number, since it uses less digits than its factorization.

125823812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188530 (or 188528 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 125823812 is about 11217.1213776084. The cubic root of 125823812 is about 501.0960117610.

The spelling of 125823812 in words is "one hundred twenty-five million, eight hundred twenty-three thousand, eight hundred twelve".