1130491 has 8 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 1086888.

The previous prime is 1130471. The next prime is 1130497. The reversal of 1130491 is 1940311.

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 a de Polignac number, because none of the positive numbers 2^k-1130491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130497) 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, 2970 + ... + 3328.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^1130491 is an apocalyptic number.

1130491 is a deficient number, since it is larger than the sum of its proper divisors (44549).

1130491 is an equidigital number, since it uses as much as digits as its factorization.

1130491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1130491 is about 1063.2455031647. The cubic root of 1130491 is about 104.1731275637.

It can be divided in two parts, 113049 and 1, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 1130491 in words is "one million, one hundred thirty thousand, four hundred ninety-one".