1122309999 has 10 divisors (see below), whose sum is σ = 1676537280. Its totient is φ = 748206612.

The previous prime is 1122309997. The next prime is 1122310003. The reversal of 1122309999 is 9999032211.

It is not a de Polignac number, because 1122309999 - 2¹ = 1122309997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122309997) 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 9 ways as a sum of consecutive naturals, for example, 6927759 + ... + 6927920.

It is an arithmetic number, because the mean of its divisors is an integer number (167653728).

Almost surely, 2^1122309999 is an apocalyptic number.

1122309999 is a deficient number, since it is larger than the sum of its proper divisors (554227281).

1122309999 is an equidigital number, since it uses as much as digits as its factorization.

1122309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855691 (or 13855682 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 1122309999 is about 33500.8954954938. The cubic root of 1122309999 is about 1039.2122977093.

The spelling of 1122309999 in words is "one billion, one hundred twenty-two million, three hundred nine thousand, nine hundred ninety-nine".