1131056 has 20 divisors (see below), whose sum is σ = 2208192. Its totient is φ = 561216.

The previous prime is 1131049. The next prime is 1131077. The reversal of 1131056 is 6501311.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410 + ... + 3726.

2^1131056 is an apocalyptic number.

1131056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1131056 is a deficient number, since it is larger than the sum of its proper divisors (1077136).

1131056 is a wasteful number, since it uses less digits than its factorization.

1131056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1131056 is about 1063.5111659028. The cubic root of 1131056 is about 104.1904793204.

Adding to 1131056 its reverse (6501311), we get a palindrome (7632367).

The spelling of 1131056 in words is "one million, one hundred thirty-one thousand, fifty-six".