125424530 has 32 divisors (see below), whose sum is σ = 281473920. Its totient is φ = 39093120.

The previous prime is 125424511. The next prime is 125424539. The reversal of 125424530 is 35424521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125424530.

It is not an unprimeable number, because it can be changed into a prime (125424539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80675 + ... + 82214.

It is an arithmetic number, because the mean of its divisors is an integer number (8796060).

Almost surely, 2^125424530 is an apocalyptic number.

125424530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125424530 is an abundant number, since it is smaller than the sum of its proper divisors (156049390).

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

125424530 is a wasteful number, since it uses less digits than its factorization.

125424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162914.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125424530 is about 11199.3093537057. The cubic root of 125424530 is about 500.5654004038.

Subtracting from 125424530 its reverse (35424521), we obtain a palindrome (90000009).

The spelling of 125424530 in words is "one hundred twenty-five million, four hundred twenty-four thousand, five hundred thirty".