1130861056 has 160 divisors (see below), whose sum is σ = 2598583680. Its totient is φ = 487686144.

The previous prime is 1130861047. The next prime is 1130861071. The reversal of 1130861056 is 6501680311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12706260 + ... + 12706348.

It is an arithmetic number, because the mean of its divisors is an integer number (16241148).

Almost surely, 2^1130861056 is an apocalyptic number.

1130861056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130861056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299291840).

1130861056 is an abundant number, since it is smaller than the sum of its proper divisors (1467722624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130861056 is an equidigital number, since it uses as much as digits as its factorization.

1130861056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1130861056 is about 33628.2776246420. The cubic root of 1130861056 is about 1041.8449303391.

The spelling of 1130861056 in words is "one billion, one hundred thirty million, eight hundred sixty-one thousand, fifty-six".