1130839 has 4 divisors (see below), whose sum is σ = 1138480. Its totient is φ = 1123200.

The previous prime is 1130827. The next prime is 1130863. The reversal of 1130839 is 9380311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130839 - 2⁵ = 1130807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130809) 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, 3594 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (284620).

2^1130839 is an apocalyptic number.

1130839 is a deficient number, since it is larger than the sum of its proper divisors (7641).

1130839 is an equidigital number, since it uses as much as digits as its factorization.

1130839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1130839 is about 1063.4091404535. The cubic root of 1130839 is about 104.1838157010.

The spelling of 1130839 in words is "one million, one hundred thirty thousand, eight hundred thirty-nine".