120165879 has 8 divisors (see below), whose sum is σ = 165746160. Its totient is φ = 77348096.

The previous prime is 120165839. The next prime is 120165883. The reversal of 120165879 is 978561021.

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

It is a cyclic number.

It is not a de Polignac number, because 120165879 - 2¹⁹ = 119641591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120165839) 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 7 ways as a sum of consecutive naturals, for example, 690522 + ... + 690695.

It is an arithmetic number, because the mean of its divisors is an integer number (20718270).

Almost surely, 2^120165879 is an apocalyptic number.

120165879 is a deficient number, since it is larger than the sum of its proper divisors (45580281).

120165879 is a wasteful number, since it uses less digits than its factorization.

120165879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381249.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 120165879 is about 10962.0198412519. The cubic root of 120165879 is about 493.4695839981.

The spelling of 120165879 in words is "one hundred twenty million, one hundred sixty-five thousand, eight hundred seventy-nine".