1130840681 has 8 divisors (see below), whose sum is σ = 1146612480. Its totient is φ = 1115105472.

The previous prime is 1130840677. The next prime is 1130840687. The reversal of 1130840681 is 1860480311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1130840681 - 2² = 1130840677 is a prime.

It is a super-2 number, since 2×1130840681² = 2557601291609087522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130840687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56321 + ... + 73713.

It is an arithmetic number, because the mean of its divisors is an integer number (143326560).

Almost surely, 2^1130840681 is an apocalyptic number.

It is an amenable number.

1130840681 is a deficient number, since it is larger than the sum of its proper divisors (15771799).

1130840681 is an equidigital number, since it uses as much as digits as its factorization.

1130840681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18295.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1130840681 is about 33627.9746788295. The cubic root of 1130840681 is about 1041.8386732433.

The spelling of 1130840681 in words is "one billion, one hundred thirty million, eight hundred forty thousand, six hundred eighty-one".