125520312 has 16 divisors (see below), whose sum is σ = 313800840. Its totient is φ = 41840096.

The previous prime is 125520259. The next prime is 125520337. The reversal of 125520312 is 213025521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614983 + ... + 2615030.

Almost surely, 2^125520312 is an apocalyptic number.

125520312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125520312 is an abundant number, since it is smaller than the sum of its proper divisors (188280528).

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

125520312 is a wasteful number, since it uses less digits than its factorization.

125520312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230022 (or 5230018 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125520312 is about 11203.5847834521. The cubic root of 125520312 is about 500.6927889769.

Adding to 125520312 its reverse (213025521), we get a palindrome (338545833).

The spelling of 125520312 in words is "one hundred twenty-five million, five hundred twenty thousand, three hundred twelve".