158087120 has 40 divisors (see below), whose sum is σ = 380232360. Its totient is φ = 61053440.

The previous prime is 158087117. The next prime is 158087129. The reversal of 158087120 is 21780851.

It is a happy number.

158087120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 132496 + 157954624 = 364^2 + 12568^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158087129) 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, 31751 + ... + 36390.

It is an arithmetic number, because the mean of its divisors is an integer number (9505809).

Almost surely, 2^158087120 is an apocalyptic number.

158087120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158087120 is an abundant number, since it is smaller than the sum of its proper divisors (222145240).

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

158087120 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (158087119) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (68177).

158087120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68183 (or 68177 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 158087120 is about 12573.2700599327. The cubic root of 158087120 is about 540.7113624381.

The spelling of 158087120 in words is "one hundred fifty-eight million, eighty-seven thousand, one hundred twenty".