992120803 has 2 divisors, whose sum is σ = 992120804. Its totient is φ = 992120802.

The previous prime is 992120761. The next prime is 992120819. The reversal of 992120803 is 308021299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992120803 is a prime.

It is equal to p_50467093 and since 992120803 and 50467093 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (992120863) 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, 496060401 + 496060402.

It is an arithmetic number, because the mean of its divisors is an integer number (496060402).

Almost surely, 2^992120803 is an apocalyptic number.

992120803 is a deficient number, since it is larger than the sum of its proper divisors (1).

992120803 is an equidigital number, since it uses as much as digits as its factorization.

992120803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 992120803 is about 31497.9491872090. The cubic root of 992120803 is about 997.3666726741.

The spelling of 992120803 in words is "nine hundred ninety-two million, one hundred twenty thousand, eight hundred three".