1112839009 has 2 divisors, whose sum is σ = 1112839010. Its totient is φ = 1112839008.

The previous prime is 1112838977. The next prime is 1112839031. The reversal of 1112839009 is 9009382111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785120400 + 327718609 = 28020^2 + 18103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112839009 - 2⁵ = 1112838977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112839909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556419504 + 556419505.

It is an arithmetic number, because the mean of its divisors is an integer number (556419505).

Almost surely, 2^1112839009 is an apocalyptic number.

It is an amenable number.

1112839009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112839009 is an equidigital number, since it uses as much as digits as its factorization.

1112839009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1112839009 is about 33359.2417329891. The cubic root of 1112839009 is about 1036.2807886287.

The spelling of 1112839009 in words is "one billion, one hundred twelve million, eight hundred thirty-nine thousand, nine".