992875121 has 4 divisors (see below), whose sum is σ = 1134714432. Its totient is φ = 851035812.

The previous prime is 992875111. The next prime is 992875127. The reversal of 992875121 is 121578299.

It is a happy number.

992875121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 992875121 - 2¹⁸ = 992612977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992875127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70919645 + ... + 70919658.

It is an arithmetic number, because the mean of its divisors is an integer number (283678608).

Almost surely, 2^992875121 is an apocalyptic number.

It is an amenable number.

992875121 is a deficient number, since it is larger than the sum of its proper divisors (141839311).

992875121 is a wasteful number, since it uses less digits than its factorization.

992875121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141839310.

The product of its digits is 90720, while the sum is 44.

The square root of 992875121 is about 31509.9209932364. The cubic root of 992875121 is about 997.6193774670.

The spelling of 992875121 in words is "nine hundred ninety-two million, eight hundred seventy-five thousand, one hundred twenty-one".