120165406 has 8 divisors (see below), whose sum is σ = 180768600. Its totient is φ = 59909208.

The previous prime is 120165391. The next prime is 120165431. The reversal of 120165406 is 604561021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 85881 + ... + 87268.

It is an arithmetic number, because the mean of its divisors is an integer number (22596075).

Almost surely, 2^120165406 is an apocalyptic number.

120165406 is a deficient number, since it is larger than the sum of its proper divisors (60603194).

120165406 is a wasteful number, since it uses less digits than its factorization.

120165406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173498.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 120165406 is about 10961.9982667395. The cubic root of 120165406 is about 493.4689365280.

The spelling of 120165406 in words is "one hundred twenty million, one hundred sixty-five thousand, four hundred six".