15000125 has 48 divisors (see below), whose sum is σ = 22763520. Its totient is φ = 9828000.

The previous prime is 15000079. The next prime is 15000127. The reversal of 15000125 is 52100051.

It is a de Polignac number, because none of the positive numbers 2^k-15000125 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000127) 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 47 ways as a sum of consecutive naturals, for example, 189836 + ... + 189914.

It is an arithmetic number, because the mean of its divisors is an integer number (474240).

Almost surely, 2^15000125 is an apocalyptic number.

It is an amenable number.

15000125 is a deficient number, since it is larger than the sum of its proper divisors (7763395).

15000125 is an equidigital number, since it uses as much as digits as its factorization.

15000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 15000125 is about 3872.9994836044. Note that the first 3 decimals coincide. The cubic root of 15000125 is about 246.6218924901.

Adding to 15000125 its reverse (52100051), we get a palindrome (67100176).

The spelling of 15000125 in words is "fifteen million, one hundred twenty-five", and thus it is an aban number.