158795121 has 8 divisors (see below), whose sum is σ = 214709184. Its totient is φ = 104372240.

The previous prime is 158795099. The next prime is 158795177. The reversal of 158795121 is 121597851.

158795121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158795121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158795121.

It is not an unprimeable number, because it can be changed into a prime (158795621) 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, 372546 + ... + 372971.

It is an arithmetic number, because the mean of its divisors is an integer number (26838648).

Almost surely, 2^158795121 is an apocalyptic number.

It is an amenable number.

158795121 is a deficient number, since it is larger than the sum of its proper divisors (55914063).

158795121 is an equidigital number, since it uses as much as digits as its factorization.

158795121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745591.

The product of its digits is 25200, while the sum is 39.

The square root of 158795121 is about 12601.3936134064. The cubic root of 158795121 is about 541.5173612739.

The spelling of 158795121 in words is "one hundred fifty-eight million, seven hundred ninety-five thousand, one hundred twenty-one".