125244520 has 16 divisors (see below), whose sum is σ = 281800260. Its totient is φ = 50097792.

The previous prime is 125244503. The next prime is 125244521. The reversal of 125244520 is 25442521.

It can be written as a sum of positive squares in 2 ways, for example, as 103510276 + 21734244 = 10174^2 + 4662^2 .

It is not an unprimeable number, because it can be changed into a prime (125244521) 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, 1565517 + ... + 1565596.

Almost surely, 2^125244520 is an apocalyptic number.

125244520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125244520 is an abundant number, since it is smaller than the sum of its proper divisors (156555740).

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

125244520 is a wasteful number, since it uses less digits than its factorization.

125244520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131124 (or 3131120 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 125244520 is about 11191.2698117774. The cubic root of 125244520 is about 500.3258143106.

The spelling of 125244520 in words is "one hundred twenty-five million, two hundred forty-four thousand, five hundred twenty".