1130681 has 8 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 1079568.

The previous prime is 1130677. The next prime is 1130693. The reversal of 1130681 is 1860311.

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 1130681 - 2² = 1130677 is a prime.

It is a super-2 number, since 2×1130681² = 2556879047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130621) 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, 3530 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^1130681 is an apocalyptic number.

It is an amenable number.

1130681 is a deficient number, since it is larger than the sum of its proper divisors (52039).

1130681 is a wasteful number, since it uses less digits than its factorization.

1130681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1130681 is about 1063.3348484838. The cubic root of 1130681 is about 104.1789633128.

Adding to 1130681 its reverse (1860311), we get a palindrome (2990992).

The spelling of 1130681 in words is "one million, one hundred thirty thousand, six hundred eighty-one".