125500312 has 32 divisors (see below), whose sum is σ = 269913600. Its totient is φ = 53589024.

The previous prime is 125500283. The next prime is 125500321. The reversal of 125500312 is 213005521.

It is a self number, because there is not a number n which added to its sum of digits gives 125500312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11889 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (8434800).

Almost surely, 2^125500312 is an apocalyptic number.

It is an amenable number.

125500312 is an abundant number, since it is smaller than the sum of its proper divisors (144413288).

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

125500312 is a wasteful number, since it uses less digits than its factorization.

125500312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215 (or 8211 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125500312 is about 11202.6921764369. The cubic root of 125500312 is about 500.6661946418. Note that the first 3 decimals are identical.

Adding to 125500312 its reverse (213005521), we get a palindrome (338505833).

The spelling of 125500312 in words is "one hundred twenty-five million, five hundred thousand, three hundred twelve".