1130399 has 4 divisors (see below), whose sum is σ = 1139160. Its totient is φ = 1121640.

The previous prime is 1130369. The next prime is 1130407. The reversal of 1130399 is 9930311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130399 is a prime.

It is a super-3 number, since 3×1130399³ = 4333277967164733597, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130359) 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, 4184 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (284790).

2^1130399 is an apocalyptic number.

1130399 is a deficient number, since it is larger than the sum of its proper divisors (8761).

1130399 is an equidigital number, since it uses as much as digits as its factorization.

1130399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 1130399 is about 1063.2022385229. The cubic root of 1130399 is about 104.1703015976.

The spelling of 1130399 in words is "one million, one hundred thirty thousand, three hundred ninety-nine".