120465555 has 32 divisors (see below), whose sum is σ = 224446464. Its totient is φ = 54028416.

The previous prime is 120465547. The next prime is 120465563. The reversal of 120465555 is 555564021.

It is an interprime number because it is at equal distance from previous prime (120465547) and next prime (120465563).

It is not a de Polignac number, because 120465555 - 2³ = 120465547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5259 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (7013952).

Almost surely, 2^120465555 is an apocalyptic number.

120465555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120465555 is a deficient number, since it is larger than the sum of its proper divisors (103980909).

120465555 is a wasteful number, since it uses less digits than its factorization.

120465555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 120465555 is about 10975.6801611563. The cubic root of 120465555 is about 493.8794569481.

The spelling of 120465555 in words is "one hundred twenty million, four hundred sixty-five thousand, five hundred fifty-five".