120442159 has 4 divisors (see below), whose sum is σ = 126781240. Its totient is φ = 114103080.

The previous prime is 120442111. The next prime is 120442171. The reversal of 120442159 is 951244021.

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 120442159 - 2⁹ = 120441647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442859) 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, 3169512 + ... + 3169549.

It is an arithmetic number, because the mean of its divisors is an integer number (31695310).

Almost surely, 2^120442159 is an apocalyptic number.

120442159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120442159 is a deficient number, since it is larger than the sum of its proper divisors (6339081).

120442159 is an equidigital number, since it uses as much as digits as its factorization.

120442159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339080.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 120442159 is about 10974.6142984617. The cubic root of 120442159 is about 493.8474822427.

The spelling of 120442159 in words is "one hundred twenty million, four hundred forty-two thousand, one hundred fifty-nine".