158487120 has 120 divisors (see below), whose sum is σ = 580668192. Its totient is φ = 38419200.

The previous prime is 158487071. The next prime is 158487127. The reversal of 158487120 is 21784851.

158487120 is a `hidden beast` number, since 1 + 58 + 487 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158487127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2086 + ... + 17925.

Almost surely, 2^158487120 is an apocalyptic number.

158487120 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 158487120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290334096).

158487120 is an abundant number, since it is smaller than the sum of its proper divisors (422181072).

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

158487120 is a wasteful number, since it uses less digits than its factorization.

158487120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041 (or 20032 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 158487120 is about 12589.1667714746. The cubic root of 158487120 is about 541.1670233904.

The spelling of 158487120 in words is "one hundred fifty-eight million, four hundred eighty-seven thousand, one hundred twenty".