125540536 has 32 divisors (see below), whose sum is σ = 265647600. Its totient is φ = 55095040.

The previous prime is 125540489. The next prime is 125540537. The reversal of 125540536 is 635045521.

It is a junction number, because it is equal to n+sod(n) for n = 125540498 and 125540507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125540537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22045 + ... + 27148.

Almost surely, 2^125540536 is an apocalyptic number.

It is an amenable number.

125540536 is an abundant number, since it is smaller than the sum of its proper divisors (140107064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125540536 is a wasteful number, since it uses less digits than its factorization.

125540536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49239 (or 49235 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 125540536 is about 11204.4873153572. The cubic root of 125540536 is about 500.7196782960.

The spelling of 125540536 in words is "one hundred twenty-five million, five hundred forty thousand, five hundred thirty-six".