120319155 has 32 divisors (see below), whose sum is σ = 233349120. Its totient is φ = 58335840.

The previous prime is 120319097. The next prime is 120319159. The reversal of 120319155 is 551913021.

It is not a de Polignac number, because 120319155 - 2⁸ = 120318899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120319159) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39027 + ... + 41996.

It is an arithmetic number, because the mean of its divisors is an integer number (7292160).

Almost surely, 2^120319155 is an apocalyptic number.

120319155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120319155 is a deficient number, since it is larger than the sum of its proper divisors (113029965).

120319155 is a wasteful number, since it uses less digits than its factorization.

120319155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81048 (or 81042 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 120319155 is about 10969.0088430997. The cubic root of 120319155 is about 493.6793077235.

The spelling of 120319155 in words is "one hundred twenty million, three hundred nineteen thousand, one hundred fifty-five".