15129081 has 12 divisors (see below), whose sum is σ = 23839920. Its totient is φ = 9169080.

The previous prime is 15129071. The next prime is 15129089. The reversal of 15129081 is 18092151.

It is not a de Polignac number, because 15129081 - 2¹⁵ = 15096313 is a prime.

It is a super-2 number, since 2×15129081² = 457778183809122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15129089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76311 + ... + 76508.

It is an arithmetic number, because the mean of its divisors is an integer number (1986660).

Almost surely, 2^15129081 is an apocalyptic number.

15129081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15129081 is a deficient number, since it is larger than the sum of its proper divisors (8710839).

15129081 is a wasteful number, since it uses less digits than its factorization.

15129081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152836 (or 152833 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 15129081 is about 3889.6119343708. The cubic root of 15129081 is about 247.3266125676.

The spelling of 15129081 in words is "fifteen million, one hundred twenty-nine thousand, eighty-one".