158971120 has 160 divisors (see below), whose sum is σ = 466684416. Its totient is φ = 48921600.

The previous prime is 158971117. The next prime is 158971121. The reversal of 158971120 is 21179851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158971121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806862 + ... + 807058.

Almost surely, 2^158971120 is an apocalyptic number.

158971120 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 158971120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233342208).

158971120 is an abundant number, since it is smaller than the sum of its proper divisors (307713296).

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

158971120 is a wasteful number, since it uses less digits than its factorization.

158971120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 158971120 is about 12608.3749944233. The cubic root of 158971120 is about 541.7173492089.

The spelling of 158971120 in words is "one hundred fifty-eight million, nine hundred seventy-one thousand, one hundred twenty".