120333891 has 4 divisors (see below), whose sum is σ = 160445192. Its totient is φ = 80222592.

The previous prime is 120333881. The next prime is 120333911. The reversal of 120333891 is 198333021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120333891 - 2⁹ = 120333379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120333841) 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, 20055646 + ... + 20055651.

It is an arithmetic number, because the mean of its divisors is an integer number (40111298).

Almost surely, 2^120333891 is an apocalyptic number.

120333891 is a deficient number, since it is larger than the sum of its proper divisors (40111301).

120333891 is an equidigital number, since it uses as much as digits as its factorization.

120333891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40111300.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 120333891 is about 10969.6805331787. The cubic root of 120333891 is about 493.6994612375.

The spelling of 120333891 in words is "one hundred twenty million, three hundred thirty-three thousand, eight hundred ninety-one".