1121320199 has 2 divisors, whose sum is σ = 1121320200. Its totient is φ = 1121320198.

The previous prime is 1121320183. The next prime is 1121320237. The reversal of 1121320199 is 9910231211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121320199 - 2⁴ = 1121320183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121320129) 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, 560660099 + 560660100.

It is an arithmetic number, because the mean of its divisors is an integer number (560660100).

Almost surely, 2^1121320199 is an apocalyptic number.

1121320199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121320199 is an equidigital number, since it uses as much as digits as its factorization.

1121320199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1121320199 is about 33486.1194974873. The cubic root of 1121320199 is about 1038.9067033340.

The spelling of 1121320199 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred ninety-nine".