159720120 has 256 divisors, whose sum is σ = 625996800. Its totient is φ = 35458560.

The previous prime is 159720107. The next prime is 159720149. The reversal of 159720120 is 21027951.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279435 + ... + 280005.

It is an arithmetic number, because the mean of its divisors is an integer number (2445300).

Almost surely, 2^159720120 is an apocalyptic number.

159720120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159720120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312998400).

159720120 is an abundant number, since it is smaller than the sum of its proper divisors (466276680).

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

159720120 is a wasteful number, since it uses less digits than its factorization.

159720120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 159720120 is about 12638.0425699552. The cubic root of 159720120 is about 542.5667922321.

The spelling of 159720120 in words is "one hundred fifty-nine million, seven hundred twenty thousand, one hundred twenty".