15001125 has 32 divisors (see below), whose sum is σ = 25259520. Its totient is φ = 7905600.

The previous prime is 15001111. The next prime is 15001139. The reversal of 15001125 is 52110051.

15001125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15001111) and next prime (15001139).

It is not a de Polignac number, because 15001125 - 2¹¹ = 14999077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40692 + ... + 41058.

It is an arithmetic number, because the mean of its divisors is an integer number (789360).

Almost surely, 2^15001125 is an apocalyptic number.

15001125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15001125 is a deficient number, since it is larger than the sum of its proper divisors (10258395).

15001125 is a wasteful number, since it uses less digits than its factorization.

15001125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 15001125 is about 3873.1285803598. The cubic root of 15001125 is about 246.6273728091.

Adding to 15001125 its reverse (52110051), we get a palindrome (67111176).

The spelling of 15001125 in words is "fifteen million, one thousand, one hundred twenty-five".