1131338 has 16 divisors (see below), whose sum is σ = 1864296. Its totient is φ = 511680.

The previous prime is 1131331. The next prime is 1131341. The reversal of 1131338 is 8331311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 779689 + 351649 = 883^2 + 593^2 .

It is not an unprimeable number, because it can be changed into a prime (1131331) 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, 968 + ... + 1788.

2^1131338 is an apocalyptic number.

1131338 is a deficient number, since it is larger than the sum of its proper divisors (732958).

1131338 is a wasteful number, since it uses less digits than its factorization.

1131338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its digits is 216, while the sum is 20.

The square root of 1131338 is about 1063.6437373482. The cubic root of 1131338 is about 104.1991376815.

Adding to 1131338 its reverse (8331311), we get a palindrome (9462649).

The spelling of 1131338 in words is "one million, one hundred thirty-one thousand, three hundred thirty-eight".