992120841 has 6 divisors (see below), whose sum is σ = 1433063450. Its totient is φ = 661413888.

The previous prime is 992120839. The next prime is 992120861. The reversal of 992120841 is 148021299.

It can be written as a sum of positive squares in only one way, i.e., 729000000 + 263120841 = 27000^2 + 16221^2 .

It is not a de Polignac number, because 992120841 - 2¹ = 992120839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 992120796 and 992120805.

It is not an unprimeable number, because it can be changed into a prime (992120861) 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 in 5 ways as a sum of consecutive naturals, for example, 55117816 + ... + 55117833.

Almost surely, 2^992120841 is an apocalyptic number.

It is an amenable number.

992120841 is a deficient number, since it is larger than the sum of its proper divisors (440942609).

992120841 is a wasteful number, since it uses less digits than its factorization.

992120841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110235655 (or 110235652 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 992120841 is about 31497.9497904229. The cubic root of 992120841 is about 997.3666854077.

The spelling of 992120841 in words is "nine hundred ninety-two million, one hundred twenty thousand, eight hundred forty-one".