1131382 has 16 divisors (see below), whose sum is σ = 1953792. Its totient is φ = 481320.

The previous prime is 1131379. The next prime is 1131397. The reversal of 1131382 is 2831311.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763 + ... + 3145.

It is an arithmetic number, because the mean of its divisors is an integer number (122112).

2^1131382 is an apocalyptic number.

1131382 is a deficient number, since it is larger than the sum of its proper divisors (822410).

1131382 is a wasteful number, since it uses less digits than its factorization.

1131382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 144, while the sum is 19.

The square root of 1131382 is about 1063.6644207644. The cubic root of 1131382 is about 104.2004885017.

Adding to 1131382 its reverse (2831311), we get a palindrome (3962693).

The spelling of 1131382 in words is "one million, one hundred thirty-one thousand, three hundred eighty-two".