92002121 has 2 divisors, whose sum is σ = 92002122. Its totient is φ = 92002120.

The previous prime is 92002111. The next prime is 92002151. The reversal of 92002121 is 12120029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 25351225 = 8164^2 + 5035^2 .

It is a cyclic number.

It is not a de Polignac number, because 92002121 - 2²² = 87807817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92002121.

It is not a weakly prime, because it can be changed into another prime (92002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46001060 + 46001061.

It is an arithmetic number, because the mean of its divisors is an integer number (46001061).

Almost surely, 2^92002121 is an apocalyptic number.

It is an amenable number.

92002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

92002121 is an equidigital number, since it uses as much as digits as its factorization.

92002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 92002121 is about 9591.7736107563. The cubic root of 92002121 is about 451.4392127063.

The spelling of 92002121 in words is "ninety-two million, two thousand, one hundred twenty-one".