120522155 has 8 divisors (see below), whose sum is σ = 155751792. Its totient is φ = 89000928.

The previous prime is 120522119. The next prime is 120522167. The reversal of 120522155 is 551225021.

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 120522155 - 2¹⁶ = 120456619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120522155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927029 + ... + 927158.

It is an arithmetic number, because the mean of its divisors is an integer number (19468974).

Almost surely, 2^120522155 is an apocalyptic number.

120522155 is a deficient number, since it is larger than the sum of its proper divisors (35229637).

120522155 is a wasteful number, since it uses less digits than its factorization.

120522155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854205.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 120522155 is about 10978.2582862675. The cubic root of 120522155 is about 493.9567935789.

Adding to 120522155 its reverse (551225021), we get a palindrome (671747176).

The spelling of 120522155 in words is "one hundred twenty million, five hundred twenty-two thousand, one hundred fifty-five".