125660043 has 6 divisors (see below), whose sum is σ = 181508964. Its totient is φ = 83773356.

The previous prime is 125660021. The next prime is 125660057. The reversal of 125660043 is 340066521.

125660043 is a `hidden beast` number, since 1 + 2 + 56 + 600 + 4 + 3 = 666.

It is not a de Polignac number, because 125660043 - 2²⁴ = 108882827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125659989 and 125660016.

It is not an unprimeable number, because it can be changed into a prime (125660543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6981105 + ... + 6981122.

It is an arithmetic number, because the mean of its divisors is an integer number (30251494).

Almost surely, 2^125660043 is an apocalyptic number.

125660043 is a deficient number, since it is larger than the sum of its proper divisors (55848921).

125660043 is a wasteful number, since it uses less digits than its factorization.

125660043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13962233 (or 13962230 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 125660043 is about 11209.8190440346. The cubic root of 125660043 is about 500.8785128596.

The spelling of 125660043 in words is "one hundred twenty-five million, six hundred sixty thousand, forty-three".