1131044 has 12 divisors (see below), whose sum is σ = 2095884. Its totient is φ = 532224.

The previous prime is 1131023. The next prime is 1131047. The reversal of 1131044 is 4401311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 624100 = 712^2 + 790^2 .

It is not an unprimeable number, because it can be changed into a prime (1131047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8249 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (174657).

2^1131044 is an apocalyptic number.

It is an amenable number.

1131044 is a deficient number, since it is larger than the sum of its proper divisors (964840).

1131044 is a wasteful number, since it uses less digits than its factorization.

1131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654 (or 16652 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1131044 is about 1063.5055241982. The cubic root of 1131044 is about 104.1901108476.

Adding to 1131044 its reverse (4401311), we get a palindrome (5532355).

The spelling of 1131044 in words is "one million, one hundred thirty-one thousand, forty-four".