1130656 has 24 divisors (see below), whose sum is σ = 2256660. Its totient is φ = 557568.

The previous prime is 1130651. The next prime is 1130677. The reversal of 1130656 is 6560311.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 7056 = 1060^2 + 84^2 .

It is not an unprimeable number, because it can be changed into a prime (1130651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650 + ... + 3046.

2^1130656 is an apocalyptic number.

1130656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1130656 is a deficient number, since it is larger than the sum of its proper divisors (1126004).

1130656 is an equidigital number, since it uses as much as digits as its factorization.

1130656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

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

The square root of 1130656 is about 1063.3230929496. The cubic root of 1130656 is about 104.1781954884.

Adding to 1130656 its reverse (6560311), we get a palindrome (7690967).

The spelling of 1130656 in words is "one million, one hundred thirty thousand, six hundred fifty-six".