120156465 has 96 divisors (see below), whose sum is σ = 236113920. Its totient is φ = 51667200.

The previous prime is 120156451. The next prime is 120156473. The reversal of 120156465 is 564651021.

It is not a de Polignac number, because 120156465 - 2⁵ = 120156433 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 95 ways as a sum of consecutive naturals, for example, 864366 + ... + 864504.

It is an arithmetic number, because the mean of its divisors is an integer number (2459520).

Almost surely, 2^120156465 is an apocalyptic number.

120156465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120156465 is a deficient number, since it is larger than the sum of its proper divisors (115957455).

120156465 is a wasteful number, since it uses less digits than its factorization.

120156465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 120156465 is about 10961.5904411723. The cubic root of 120156465 is about 493.4566972451.

The spelling of 120156465 in words is "one hundred twenty million, one hundred fifty-six thousand, four hundred sixty-five".