1158159 has 8 divisors (see below), whose sum is σ = 1635120. Its totient is φ = 726656.

The previous prime is 1158139. The next prime is 1158161. The reversal of 1158159 is 9518511.

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 1158159 - 2¹⁵ = 1125391 is a prime.

1158159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158139) 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, 11304 + ... + 11405.

It is an arithmetic number, because the mean of its divisors is an integer number (204390).

2^1158159 is an apocalyptic number.

1158159 is a deficient number, since it is larger than the sum of its proper divisors (476961).

1158159 is a wasteful number, since it uses less digits than its factorization.

1158159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729.

The product of its digits is 1800, while the sum is 30.

The square root of 1158159 is about 1076.1779592614. The cubic root of 1158159 is about 105.0161426428.

The spelling of 1158159 in words is "one million, one hundred fifty-eight thousand, one hundred fifty-nine".