120020659 has 4 divisors (see below), whose sum is σ = 130931640. Its totient is φ = 109109680.

The previous prime is 120020639. The next prime is 120020713. The reversal of 120020659 is 956020021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120020659 - 2⁵ = 120020627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020609) 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 3 ways as a sum of consecutive naturals, for example, 5455474 + ... + 5455495.

It is an arithmetic number, because the mean of its divisors is an integer number (32732910).

Almost surely, 2^120020659 is an apocalyptic number.

120020659 is a deficient number, since it is larger than the sum of its proper divisors (10910981).

120020659 is a wasteful number, since it uses less digits than its factorization.

120020659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910980.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 120020659 is about 10955.3940595489. The cubic root of 120020659 is about 493.2707185059.

The spelling of 120020659 in words is "one hundred twenty million, twenty thousand, six hundred fifty-nine".