125503536 has 40 divisors (see below), whose sum is σ = 331121664. Its totient is φ = 40943680.

The previous prime is 125503513. The next prime is 125503549. The reversal of 125503536 is 635305521.

It is a super-2 number, since 2×125503536² = 31502275097006592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25560 + ... + 30071.

Almost surely, 2^125503536 is an apocalyptic number.

125503536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125503536 is an abundant number, since it is smaller than the sum of its proper divisors (205618128).

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

125503536 is a wasteful number, since it uses less digits than its factorization.

125503536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55689 (or 55683 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 125503536 is about 11202.8360694960. The cubic root of 125503536 is about 500.6704818397.

The spelling of 125503536 in words is "one hundred twenty-five million, five hundred three thousand, five hundred thirty-six".