1516129 has 2 divisors, whose sum is σ = 1516130. Its totient is φ = 1516128.

The previous prime is 1516127. The next prime is 1516153. The reversal of 1516129 is 9216151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 565504 = 975^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516129 - 2¹ = 1516127 is a prime.

Together with 1516127, it forms a pair of twin primes.

1516129 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1516127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758064 + 758065.

It is an arithmetic number, because the mean of its divisors is an integer number (758065).

2^1516129 is an apocalyptic number.

It is an amenable number.

1516129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516129 is an equidigital number, since it uses as much as digits as its factorization.

1516129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 1516129 is about 1231.3119019972. The cubic root of 1516129 is about 114.8802534261.

The spelling of 1516129 in words is "one million, five hundred sixteen thousand, one hundred twenty-nine".