1121223199 has 2 divisors, whose sum is σ = 1121223200. Its totient is φ = 1121223198.

The previous prime is 1121223161. The next prime is 1121223223. The reversal of 1121223199 is 9913221211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9913221211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121223199 - 2⁷ = 1121223071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121223199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121223139) 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, 560611599 + 560611600.

It is an arithmetic number, because the mean of its divisors is an integer number (560611600).

Almost surely, 2^1121223199 is an apocalyptic number.

1121223199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223199 is an equidigital number, since it uses as much as digits as its factorization.

1121223199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 1121223199 is about 33484.6711048504. The cubic root of 1121223199 is about 1038.8767455348.

The spelling of 1121223199 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred ninety-nine".