1163158 has 8 divisors (see below), whose sum is σ = 1749528. Its totient is φ = 579984.

The previous prime is 1163147. The next prime is 1163159. The reversal of 1163158 is 8513611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (218691).

2^1163158 is an apocalyptic number.

1163158 is a deficient number, since it is larger than the sum of its proper divisors (586370).

1163158 is a wasteful number, since it uses less digits than its factorization.

1163158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its digits is 720, while the sum is 25.

The square root of 1163158 is about 1078.4980296690. The cubic root of 1163158 is about 105.1670206540.

Adding to 1163158 its reverse (8513611), we get a palindrome (9676769).

The spelling of 1163158 in words is "one million, one hundred sixty-three thousand, one hundred fifty-eight".