1131183 has 6 divisors (see below), whose sum is σ = 1633944. Its totient is φ = 754116.

The previous prime is 1131181. The next prime is 1131191. The reversal of 1131183 is 3811311.

It is a happy number.

It is not a de Polignac number, because 1131183 - 2¹ = 1131181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62835 + ... + 62852.

It is an arithmetic number, because the mean of its divisors is an integer number (272324).

2^1131183 is an apocalyptic number.

1131183 is a deficient number, since it is larger than the sum of its proper divisors (502761).

1131183 is a wasteful number, since it uses less digits than its factorization.

1131183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125693 (or 125690 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1131183 is about 1063.5708721096. The cubic root of 1131183 is about 104.1943788313.

Adding to 1131183 its reverse (3811311), we get a palindrome (4942494).

It can be divided in two parts, 113 and 1183, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1131183 in words is "one million, one hundred thirty-one thousand, one hundred eighty-three".