1130879309 has 4 divisors (see below), whose sum is σ = 1292433504. Its totient is φ = 969325116.

The previous prime is 1130879291. The next prime is 1130879327. The reversal of 1130879309 is 9039780311.

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 an interprime number because it is at equal distance from previous prime (1130879291) and next prime (1130879327).

It is a cyclic number.

It is not a de Polignac number, because 1130879309 - 2⁸ = 1130879053 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 (1130879339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80777087 + ... + 80777100.

It is an arithmetic number, because the mean of its divisors is an integer number (323108376).

Almost surely, 2^1130879309 is an apocalyptic number.

It is an amenable number.

1130879309 is a deficient number, since it is larger than the sum of its proper divisors (161554195).

1130879309 is an equidigital number, since it uses as much as digits as its factorization.

1130879309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161554194.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1130879309 is about 33628.5490171669. The cubic root of 1130879309 is about 1041.8505357118.

The spelling of 1130879309 in words is "one billion, one hundred thirty million, eight hundred seventy-nine thousand, three hundred nine".