92972129 has 2 divisors, whose sum is σ = 92972130. Its totient is φ = 92972128.

The previous prime is 92972119. The next prime is 92972161. The reversal of 92972129 is 92127929.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59598400 + 33373729 = 7720^2 + 5777^2 .

It is an emirp because it is prime and its reverse (92127929) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92972129 - 2²⁰ = 91923553 is a prime.

It is not a weakly prime, because it can be changed into another prime (92972119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46486064 + 46486065.

It is an arithmetic number, because the mean of its divisors is an integer number (46486065).

Almost surely, 2^92972129 is an apocalyptic number.

It is an amenable number.

92972129 is a deficient number, since it is larger than the sum of its proper divisors (1).

92972129 is an equidigital number, since it uses as much as digits as its factorization.

92972129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 92972129 is about 9642.2056086769. The cubic root of 92972129 is about 453.0202256302.

The spelling of 92972129 in words is "ninety-two million, nine hundred seventy-two thousand, one hundred twenty-nine".