125056136 has 16 divisors (see below), whose sum is σ = 236633100. Its totient is φ = 61953984.

The previous prime is 125056133. The next prime is 125056163. The reversal of 125056136 is 631650521.

It can be written as a sum of positive squares in 2 ways, for example, as 103022500 + 22033636 = 10150^2 + 4694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125056099 and 125056108.

It is not an unprimeable number, because it can be changed into a prime (125056133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70835 + ... + 72578.

Almost surely, 2^125056136 is an apocalyptic number.

It is an amenable number.

125056136 is a deficient number, since it is larger than the sum of its proper divisors (111576964).

125056136 is a wasteful number, since it uses less digits than its factorization.

125056136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143528 (or 143524 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 125056136 is about 11182.8500839455. The cubic root of 125056136 is about 500.0748367983.

The spelling of 125056136 in words is "one hundred twenty-five million, fifty-six thousand, one hundred thirty-six".