1156159 has 8 divisors (see below), whose sum is σ = 1198512. Its totient is φ = 1114560.

The previous prime is 1156157. The next prime is 1156171. The reversal of 1156159 is 9516511.

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 1156159 - 2¹ = 1156157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156151) 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, 6597 + ... + 6769.

It is an arithmetic number, because the mean of its divisors is an integer number (149814).

2^1156159 is an apocalyptic number.

1156159 is a deficient number, since it is larger than the sum of its proper divisors (42353).

1156159 is a wasteful number, since it uses less digits than its factorization.

1156159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its digits is 1350, while the sum is 28.

The square root of 1156159 is about 1075.2483434072. The cubic root of 1156159 is about 104.9556577694.

The spelling of 1156159 in words is "one million, one hundred fifty-six thousand, one hundred fifty-nine".