158921120 has 48 divisors (see below), whose sum is σ = 384199200. Its totient is φ = 62087424.

The previous prime is 158921093. The next prime is 158921141. The reversal of 158921120 is 21129851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4670 + ... + 18429.

It is an arithmetic number, because the mean of its divisors is an integer number (8004150).

Almost surely, 2^158921120 is an apocalyptic number.

158921120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158921120 is an abundant number, since it is smaller than the sum of its proper divisors (225278080).

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

158921120 is a wasteful number, since it uses less digits than its factorization.

158921120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23157 (or 23149 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 158921120 is about 12606.3920294428. The cubic root of 158921120 is about 541.6605491485.

The spelling of 158921120 in words is "one hundred fifty-eight million, nine hundred twenty-one thousand, one hundred twenty".