992121299 has 4 divisors (see below), whose sum is σ = 1068438336. Its totient is φ = 915804264.

The previous prime is 992121287. The next prime is 992121323.

It is a happy number.

992121299 is nontrivially palindromic in base 10.

992121299 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.

It is a cyclic number.

It is not a de Polignac number, because 992121299 - 2²⁸ = 723685843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992121259) 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, 38158499 + ... + 38158524.

It is an arithmetic number, because the mean of its divisors is an integer number (267109584).

Almost surely, 2^992121299 is an apocalyptic number.

992121299 is a deficient number, since it is larger than the sum of its proper divisors (76317037).

992121299 is a wasteful number, since it uses less digits than its factorization.

992121299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76317036.

The product of its digits is 52488, while the sum is 44.

The square root of 992121299 is about 31497.9570607365. The cubic root of 992121299 is about 997.3668388816.

The spelling of 992121299 in words is "nine hundred ninety-two million, one hundred twenty-one thousand, two hundred ninety-nine".