1130857680 has 160 divisors (see below), whose sum is σ = 3832040448. Its totient is φ = 274636800.

The previous prime is 1130857619. The next prime is 1130857681. The reversal of 1130857680 is 867580311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130857681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122010 + ... + 130950.

Almost surely, 2^1130857680 is an apocalyptic number.

1130857680 is a gapful number since it is divisible by the number (10) 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 1130857680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916020224).

1130857680 is an abundant number, since it is smaller than the sum of its proper divisors (2701182768).

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

1130857680 is a wasteful number, since it uses less digits than its factorization.

1130857680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1130857680 is about 33628.2274287540. The cubic root of 1130857680 is about 1041.8438935857.

The spelling of 1130857680 in words is "one billion, one hundred thirty million, eight hundred fifty-seven thousand, six hundred eighty".