1121224099 has 2 divisors, whose sum is σ = 1121224100. Its totient is φ = 1121224098.

The previous prime is 1121224087. The next prime is 1121224109. The reversal of 1121224099 is 9904221211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121224099 - 2¹¹ = 1121222051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121224099.

It is not a weakly prime, because it can be changed into another prime (1121224799) 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, 560612049 + 560612050.

It is an arithmetic number, because the mean of its divisors is an integer number (560612050).

Almost surely, 2^1121224099 is an apocalyptic number.

1121224099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121224099 is an equidigital number, since it uses as much as digits as its factorization.

1121224099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1121224099 is about 33484.6845438329. The cubic root of 1121224099 is about 1038.8770235017.

The spelling of 1121224099 in words is "one billion, one hundred twenty-one million, two hundred twenty-four thousand, ninety-nine".