120322155 has 16 divisors (see below), whose sum is σ = 202648320. Its totient is φ = 60794208.

The previous prime is 120322133. The next prime is 120322171. The reversal of 120322155 is 551223021.

It is not a de Polignac number, because 120322155 - 2⁶ = 120322091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210807 + ... + 211376.

It is an arithmetic number, because the mean of its divisors is an integer number (12665520).

Almost surely, 2^120322155 is an apocalyptic number.

120322155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120322155 is a deficient number, since it is larger than the sum of its proper divisors (82326165).

120322155 is a wasteful number, since it uses less digits than its factorization.

120322155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422210.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120322155 is about 10969.1455911570. The cubic root of 120322155 is about 493.6834107710.

Adding to 120322155 its reverse (551223021), we get a palindrome (671545176).

The spelling of 120322155 in words is "one hundred twenty million, three hundred twenty-two thousand, one hundred fifty-five".