15128129 has 2 divisors, whose sum is σ = 15128130. Its totient is φ = 15128128.

The previous prime is 15128081. The next prime is 15128137. The reversal of 15128129 is 92182151.

15128129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14077504 + 1050625 = 3752^2 + 1025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15128129 is a prime.

It is not a weakly prime, because it can be changed into another prime (15128189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7564064 + 7564065.

It is an arithmetic number, because the mean of its divisors is an integer number (7564065).

Almost surely, 2^15128129 is an apocalyptic number.

It is an amenable number.

15128129 is a deficient number, since it is larger than the sum of its proper divisors (1).

15128129 is an equidigital number, since it uses as much as digits as its factorization.

15128129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 29.

The square root of 15128129 is about 3889.4895551987. The cubic root of 15128129 is about 247.3214247691.

The spelling of 15128129 in words is "fifteen million, one hundred twenty-eight thousand, one hundred twenty-nine".