15120080 has 40 divisors (see below), whose sum is σ = 35322144. Its totient is φ = 6019200.

The previous prime is 15120071. The next prime is 15120101. The reversal of 15120080 is 8002151.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26195 + ... + 26765.

Almost surely, 2^15120080 is an apocalyptic number.

15120080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15120080 is an abundant number, since it is smaller than the sum of its proper divisors (20202064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15120080 is a wasteful number, since it uses less digits than its factorization.

15120080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 15120080 is about 3888.4547059211. The cubic root of 15120080 is about 247.2775541026.

The spelling of 15120080 in words is "fifteen million, one hundred twenty thousand, eighty".