125315012 has 12 divisors (see below), whose sum is σ = 222305916. Its totient is φ = 61799040.

The previous prime is 125314961. The next prime is 125315039. The reversal of 125315012 is 210513521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42432196 + 82882816 = 6514^2 + 9104^2 .

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, 214289 + ... + 214872.

It is an arithmetic number, because the mean of its divisors is an integer number (18525493).

Almost surely, 2^125315012 is an apocalyptic number.

It is an amenable number.

125315012 is a deficient number, since it is larger than the sum of its proper divisors (96990904).

125315012 is a wasteful number, since it uses less digits than its factorization.

125315012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429238 (or 429236 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 125315012 is about 11194.4187879496. The cubic root of 125315012 is about 500.4196636663.

Adding to 125315012 its reverse (210513521), we get a palindrome (335828533).

The spelling of 125315012 in words is "one hundred twenty-five million, three hundred fifteen thousand, twelve".