1159158 has 64 divisors (see below), whose sum is σ = 3128832. Its totient is φ = 276480.

The previous prime is 1159153. The next prime is 1159187. The reversal of 1159158 is 8519511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5910 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (48888).

2^1159158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564416).

1159158 is an abundant number, since it is smaller than the sum of its proper divisors (1969674).

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

1159158 is a wasteful number, since it uses less digits than its factorization.

1159158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

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

The square root of 1159158 is about 1076.6420017815. The cubic root of 1159158 is about 105.0463287619.

The spelling of 1159158 in words is "one million, one hundred fifty-nine thousand, one hundred fifty-eight".