12501125 has 48 divisors (see below), whose sum is σ = 19669104. Its totient is φ = 7862400.

The previous prime is 12501067. The next prime is 12501169. The reversal of 12501125 is 52110521.

It can be written as a sum of positive squares in 8 ways, for example, as 7761796 + 4739329 = 2786^2 + 2177^2 .

It is not a de Polignac number, because 12501125 - 2⁸ = 12500869 is a prime.

12501125 is a modest number, since divided by 1125 gives 125 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79547 + ... + 79703.

It is an arithmetic number, because the mean of its divisors is an integer number (409773).

Almost surely, 2^12501125 is an apocalyptic number.

It is an amenable number.

12501125 is a deficient number, since it is larger than the sum of its proper divisors (7167979).

12501125 is a wasteful number, since it uses less digits than its factorization.

12501125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 12501125 is about 3535.6930013789. The cubic root of 12501125 is about 232.0864038550.

Adding to 12501125 its reverse (52110521), we get a palindrome (64611646).

The spelling of 12501125 in words is "twelve million, five hundred one thousand, one hundred twenty-five".