120165159 has 16 divisors (see below), whose sum is σ = 166545792. Its totient is φ = 76999968.

The previous prime is 120165127. The next prime is 120165161. The reversal of 120165159 is 951561021.

It is not a de Polignac number, because 120165159 - 2⁵ = 120165127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120165109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (10409112).

Almost surely, 2^120165159 is an apocalyptic number.

120165159 is a deficient number, since it is larger than the sum of its proper divisors (46380633).

120165159 is a wasteful number, since it uses less digits than its factorization.

120165159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 120165159 is about 10961.9870005396. The cubic root of 120165159 is about 493.4685984193.

The spelling of 120165159 in words is "one hundred twenty million, one hundred sixty-five thousand, one hundred fifty-nine".