120949311 has 8 divisors (see below), whose sum is σ = 184303744. Its totient is φ = 69113880.

The previous prime is 120949291. The next prime is 120949319. The reversal of 120949311 is 113949021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120949311 - 2⁹ = 120948799 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 (120949319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879725 + ... + 2879766.

It is an arithmetic number, because the mean of its divisors is an integer number (23037968).

Almost surely, 2^120949311 is an apocalyptic number.

120949311 is a deficient number, since it is larger than the sum of its proper divisors (63354433).

120949311 is an equidigital number, since it uses as much as digits as its factorization.

120949311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759501.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 120949311 is about 10997.6957131937. The cubic root of 120949311 is about 494.5396679492.

The spelling of 120949311 in words is "one hundred twenty million, nine hundred forty-nine thousand, three hundred eleven".