1112689399 has 2 divisors, whose sum is σ = 1112689400. Its totient is φ = 1112689398.

The previous prime is 1112689393. The next prime is 1112689441. The reversal of 1112689399 is 9939862111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112689399 - 2¹⁷ = 1112558327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112689393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556344699 + 556344700.

It is an arithmetic number, because the mean of its divisors is an integer number (556344700).

Almost surely, 2^1112689399 is an apocalyptic number.

1112689399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112689399 is an equidigital number, since it uses as much as digits as its factorization.

1112689399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 49.

The square root of 1112689399 is about 33356.9992505321. Note that the first 3 decimals coincide. The cubic root of 1112689399 is about 1036.2343473748.

The spelling of 1112689399 in words is "one billion, one hundred twelve million, six hundred eighty-nine thousand, three hundred ninety-nine".