1128198299 has 2 divisors, whose sum is σ = 1128198300. Its totient is φ = 1128198298.

The previous prime is 1128198257. The next prime is 1128198311. The reversal of 1128198299 is 9928918211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128198299 - 2²⁸ = 859762843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1128198209) 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 as a sum of consecutive naturals, namely, 564099149 + 564099150.

It is an arithmetic number, because the mean of its divisors is an integer number (564099150).

Almost surely, 2^1128198299 is an apocalyptic number.

1128198299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128198299 is an equidigital number, since it uses as much as digits as its factorization.

1128198299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 50.

The square root of 1128198299 is about 33588.6632511626. The cubic root of 1128198299 is about 1041.0265686413.

The spelling of 1128198299 in words is "one billion, one hundred twenty-eight million, one hundred ninety-eight thousand, two hundred ninety-nine".