125397312 has 28 divisors (see below), whose sum is σ = 331780896. Its totient is φ = 41799040.

The previous prime is 125397301. The next prime is 125397317. The reversal of 125397312 is 213793521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125397317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326364 + ... + 326747.

Almost surely, 2^125397312 is an apocalyptic number.

125397312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125397312 is an abundant number, since it is smaller than the sum of its proper divisors (206383584).

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

125397312 is an equidigital number, since it uses as much as digits as its factorization.

125397312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653126 (or 653116 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 125397312 is about 11198.0941235551. The cubic root of 125397312 is about 500.5291890536.

The spelling of 125397312 in words is "one hundred twenty-five million, three hundred ninety-seven thousand, three hundred twelve".