120849955 has 8 divisors (see below), whose sum is σ = 148939632. Its totient is φ = 94066848.

The previous prime is 120849947. The next prime is 120849959. The reversal of 120849955 is 559948021.

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

It is a cyclic number.

It is not a de Polignac number, because 120849955 - 2³ = 120849947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120849959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326437 + ... + 326806.

It is an arithmetic number, because the mean of its divisors is an integer number (18617454).

Almost surely, 2^120849955 is an apocalyptic number.

120849955 is a deficient number, since it is larger than the sum of its proper divisors (28089677).

120849955 is an equidigital number, since it uses as much as digits as its factorization.

120849955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653285.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 120849955 is about 10993.1776570744. The cubic root of 120849955 is about 494.4042146660.

The spelling of 120849955 in words is "one hundred twenty million, eight hundred forty-nine thousand, nine hundred fifty-five".