992298121 has 2 divisors, whose sum is σ = 992298122. Its totient is φ = 992298120.

The previous prime is 992298107. The next prime is 992298137. The reversal of 992298121 is 121892299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903844096 + 88454025 = 30064^2 + 9405^2 .

It is an emirp because it is prime and its reverse (121892299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 992298121 - 2¹¹ = 992296073 is a prime.

It is not a weakly prime, because it can be changed into another prime (992298101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496149060 + 496149061.

It is an arithmetic number, because the mean of its divisors is an integer number (496149061).

Almost surely, 2^992298121 is an apocalyptic number.

It is an amenable number.

992298121 is a deficient number, since it is larger than the sum of its proper divisors (1).

992298121 is an equidigital number, since it uses as much as digits as its factorization.

992298121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 992298121 is about 31500.7638161363. The cubic root of 992298121 is about 997.4260876593.

The spelling of 992298121 in words is "nine hundred ninety-two million, two hundred ninety-eight thousand, one hundred twenty-one".