1113794279 has 4 divisors (see below), whose sum is σ = 1199470776. Its totient is φ = 1028117784.

The previous prime is 1113794249. The next prime is 1113794281. The reversal of 1113794279 is 9724973111.

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 1113794279 - 2²⁰ = 1112745703 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 (1113794249) 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, 42838229 + ... + 42838254.

It is an arithmetic number, because the mean of its divisors is an integer number (299867694).

Almost surely, 2^1113794279 is an apocalyptic number.

1113794279 is a deficient number, since it is larger than the sum of its proper divisors (85676497).

1113794279 is an equidigital number, since it uses as much as digits as its factorization.

1113794279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85676496.

The product of its digits is 95256, while the sum is 44.

The square root of 1113794279 is about 33373.5565830194. The cubic root of 1113794279 is about 1036.5772210932.

The spelling of 1113794279 in words is "one billion, one hundred thirteen million, seven hundred ninety-four thousand, two hundred seventy-nine".