1112168999 has 2 divisors, whose sum is σ = 1112169000. Its totient is φ = 1112168998.

The previous prime is 1112168987. The next prime is 1112169001. The reversal of 1112168999 is 9998612111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112168999 - 2⁴ = 1112168983 is a prime.

Together with 1112169001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112168699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556084499 + 556084500.

It is an arithmetic number, because the mean of its divisors is an integer number (556084500).

Almost surely, 2^1112168999 is an apocalyptic number.

1112168999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112168999 is an equidigital number, since it uses as much as digits as its factorization.

1112168999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 47.

The square root of 1112168999 is about 33349.1978764108. The cubic root of 1112168999 is about 1036.0727747484.

The spelling of 1112168999 in words is "one billion, one hundred twelve million, one hundred sixty-eight thousand, nine hundred ninety-nine".