159242120 has 32 divisors (see below), whose sum is σ = 361782720. Its totient is φ = 63076800.

The previous prime is 159242101. The next prime is 159242123. The reversal of 159242120 is 21242951.

It is a self number, because there is not a number n which added to its sum of digits gives 159242120.

It is not an unprimeable number, because it can be changed into a prime (159242123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15206 + ... + 23445.

It is an arithmetic number, because the mean of its divisors is an integer number (11305710).

Almost surely, 2^159242120 is an apocalyptic number.

159242120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159242120 is an abundant number, since it is smaller than the sum of its proper divisors (202540600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159242120 is a wasteful number, since it uses less digits than its factorization.

159242120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38765 (or 38761 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 159242120 is about 12619.1172432940. The cubic root of 159242120 is about 542.0249985066.

The spelling of 159242120 in words is "one hundred fifty-nine million, two hundred forty-two thousand, one hundred twenty".