1130566 has 4 divisors (see below), whose sum is σ = 1695852. Its totient is φ = 565282.

The previous prime is 1130561. The next prime is 1130579. The reversal of 1130566 is 6650311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6650311 = 313 ⋅21247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282640 + ... + 282643.

It is an arithmetic number, because the mean of its divisors is an integer number (423963).

2^1130566 is an apocalyptic number.

1130566 is a deficient number, since it is larger than the sum of its proper divisors (565286).

1130566 is an equidigital number, since it uses as much as digits as its factorization.

1130566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565285.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1130566 is about 1063.2807719507. The cubic root of 1130566 is about 104.1754312270.

Adding to 1130566 its reverse (6650311), we get a palindrome (7780877).

The spelling of 1130566 in words is "one million, one hundred thirty thousand, five hundred sixty-six".