125732530 has 48 divisors (see below), whose sum is σ = 287214336. Its totient is φ = 39187680.

The previous prime is 125732521. The next prime is 125732533. The reversal of 125732530 is 35237521.

It is not an unprimeable number, because it can be changed into a prime (125732533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6274 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (5983632).

Almost surely, 2^125732530 is an apocalyptic number.

125732530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125732530 is an abundant number, since it is smaller than the sum of its proper divisors (161481806).

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

125732530 is a wasteful number, since it uses less digits than its factorization.

125732530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23359 (or 23352 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 125732530 is about 11213.0517701471. The cubic root of 125732530 is about 500.9748049422.

It can be divided in two parts, 125 and 732530, that added together give a triangular number (732655 = T₁₂₁₀).

The spelling of 125732530 in words is "one hundred twenty-five million, seven hundred thirty-two thousand, five hundred thirty".