158120 has 32 divisors (see below), whose sum is σ = 367200. Its totient is φ = 61248.

The previous prime is 158113. The next prime is 158129. The reversal of 158120 is 21851.

It is a nialpdrome in base 11.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (158129) by changing a digit.

158120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2327 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (11475).

2¹⁵⁸¹²⁰ is an apocalyptic number.

158120 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 158120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183600).

158120 is an abundant number, since it is smaller than the sum of its proper divisors (209080).

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

158120 is a wasteful number, since it uses less digits than its factorization.

158120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 158120 is about 397.6430560188. The cubic root of 158120 is about 54.0748846742.

Adding to 158120 its reverse (21851), we get a palindrome (179971).

The spelling of 158120 in words is "one hundred fifty-eight thousand, one hundred twenty".