125011312 has 20 divisors (see below), whose sum is σ = 246781080. Its totient is φ = 61325888.

The previous prime is 125011301. The next prime is 125011331. The reversal of 125011312 is 213110521.

It is a super-2 number, since 2×125011312² = 31255656255922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 72862 + ... + 74557.

It is an arithmetic number, because the mean of its divisors is an integer number (12339054).

Almost surely, 2^125011312 is an apocalyptic number.

It is an amenable number.

125011312 is a deficient number, since it is larger than the sum of its proper divisors (121769768).

125011312 is a wasteful number, since it uses less digits than its factorization.

125011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147480 (or 147474 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 125011312 is about 11180.8457640735. The cubic root of 125011312 is about 500.0150822117.

Adding to 125011312 its reverse (213110521), we get a palindrome (338121833).

The spelling of 125011312 in words is "one hundred twenty-five million, eleven thousand, three hundred twelve".