121120799 has 4 divisors (see below), whose sum is σ = 121468200. Its totient is φ = 120773400.

The previous prime is 121120781. The next prime is 121120819. The reversal of 121120799 is 997021121.

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 121120799 - 2⁸ = 121120543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120099) 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 in 3 ways as a sum of consecutive naturals, for example, 173177 + ... + 173874.

It is an arithmetic number, because the mean of its divisors is an integer number (30367050).

Almost surely, 2^121120799 is an apocalyptic number.

121120799 is a deficient number, since it is larger than the sum of its proper divisors (347401).

121120799 is an equidigital number, since it uses as much as digits as its factorization.

121120799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347400.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 121120799 is about 11005.4894938844. The cubic root of 121120799 is about 494.7732852883.

The spelling of 121120799 in words is "one hundred twenty-one million, one hundred twenty thousand, seven hundred ninety-nine".