870159 has 8 divisors (see below), whose sum is σ = 1210752. Its totient is φ = 554840.

The previous prime is 870151. The next prime is 870161. The reversal of 870159 is 951078.

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

It is a cyclic number.

It is not a de Polignac number, because 870159 - 2³ = 870151 is a prime.

870159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870151) 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 7 ways as a sum of consecutive naturals, for example, 6237 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (151344).

2⁸⁷⁰¹⁵⁹ is an apocalyptic number.

870159 is a deficient number, since it is larger than the sum of its proper divisors (340593).

870159 is a wasteful number, since it uses less digits than its factorization.

870159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 870159 is about 932.8231343615. The cubic root of 870159 is about 95.4698423640.

The spelling of 870159 in words is "eight hundred seventy thousand, one hundred fifty-nine".