1131344 has 10 divisors (see below), whose sum is σ = 2192010. Its totient is φ = 565664.

The previous prime is 1131343. The next prime is 1131353. The reversal of 1131344 is 4431311.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 7744 = 1060^2 + 88^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35339 + ... + 35370.

It is an arithmetic number, because the mean of its divisors is an integer number (219201).

2^1131344 is an apocalyptic number.

It is an amenable number.

1131344 is a deficient number, since it is larger than the sum of its proper divisors (1060666).

1131344 is an equidigital number, since it uses as much as digits as its factorization.

1131344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70717 (or 70711 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 1131344 is about 1063.6465578377. The cubic root of 1131344 is about 104.1993218863.

Adding to 1131344 its reverse (4431311), we get a palindrome (5562655).

The spelling of 1131344 in words is "one million, one hundred thirty-one thousand, three hundred forty-four".