1131324 has 24 divisors (see below), whose sum is σ = 2755200. Its totient is φ = 360624.

The previous prime is 1131323. The next prime is 1131329. The reversal of 1131324 is 4231311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131323) 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, 1774 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (114800).

2^1131324 is an apocalyptic number.

It is an amenable number.

1131324 is an abundant number, since it is smaller than the sum of its proper divisors (1623876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131324 is a wasteful number, since it uses less digits than its factorization.

1131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129 (or 4127 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 1131324 is about 1063.6371561769. The cubic root of 1131324 is about 104.1987078677.

Adding to 1131324 its reverse (4231311), we get a palindrome (5362635).

The spelling of 1131324 in words is "one million, one hundred thirty-one thousand, three hundred twenty-four".