1131163 has 16 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 922240.

The previous prime is 1131157. The next prime is 1131181. The reversal of 1131163 is 3611311.

It is not a de Polignac number, because 1131163 - 2⁵ = 1131131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4170 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2^1131163 is an apocalyptic number.

1131163 is a deficient number, since it is larger than the sum of its proper divisors (237413).

1131163 is a wasteful number, since it uses less digits than its factorization.

1131163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its digits is 54, while the sum is 16.

The square root of 1131163 is about 1063.5614697797. The cubic root of 1131163 is about 104.1937647545.

Adding to 1131163 its reverse (3611311), we get a palindrome (4742474).

The spelling of 1131163 in words is "one million, one hundred thirty-one thousand, one hundred sixty-three".