15120250 has 32 divisors (see below), whose sum is σ = 29233152. Its totient is φ = 5850000.

The previous prime is 15120241. The next prime is 15120251. The reversal of 15120250 is 5202151.

It is not an unprimeable number, because it can be changed into a prime (15120251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6775 + ... + 8725.

It is an arithmetic number, because the mean of its divisors is an integer number (913536).

Almost surely, 2^15120250 is an apocalyptic number.

15120250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15120250 is a deficient number, since it is larger than the sum of its proper divisors (14112902).

15120250 is a wasteful number, since it uses less digits than its factorization.

15120250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 15120250 is about 3888.4765654431. The cubic root of 15120250 is about 247.2784808399.

The spelling of 15120250 in words is "fifteen million, one hundred twenty thousand, two hundred fifty".