1130689 has 4 divisors (see below), whose sum is σ = 1292224. Its totient is φ = 969156.

The previous prime is 1130677. The next prime is 1130693. The reversal of 1130689 is 9860311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130689 - 2⁷ = 1130561 is a prime.

It is a super-2 number, since 2×1130689² = 2556915229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80757 + ... + 80770.

It is an arithmetic number, because the mean of its divisors is an integer number (323056).

2^1130689 is an apocalyptic number.

It is an amenable number.

1130689 is a deficient number, since it is larger than the sum of its proper divisors (161535).

1130689 is an equidigital number, since it uses as much as digits as its factorization.

1130689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161534.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1130689 is about 1063.3386102272. The cubic root of 1130689 is about 104.1792090142.

The spelling of 1130689 in words is "one million, one hundred thirty thousand, six hundred eighty-nine".