1163156 has 24 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 542432.

The previous prime is 1163147. The next prime is 1163159. The reversal of 1163156 is 6513611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1163156 is an apocalyptic number.

It is an amenable number.

1163156 is a deficient number, since it is larger than the sum of its proper divisors (1014124).

1163156 is a wasteful number, since it uses less digits than its factorization.

1163156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 341 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 1163156 is about 1078.4971024532. The cubic root of 1163156 is about 105.1669603773.

Adding to 1163156 its reverse (6513611), we get a palindrome (7676767).

The spelling of 1163156 in words is "one million, one hundred sixty-three thousand, one hundred fifty-six".