1121120393 has 2 divisors, whose sum is σ = 1121120394. Its totient is φ = 1121120392.

The previous prime is 1121120389. The next prime is 1121120423. The reversal of 1121120393 is 3930211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 639230089 + 481890304 = 25283^2 + 21952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121120393 - 2² = 1121120389 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121120333) 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, 560560196 + 560560197.

It is an arithmetic number, because the mean of its divisors is an integer number (560560197).

Almost surely, 2^1121120393 is an apocalyptic number.

It is an amenable number.

1121120393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121120393 is an equidigital number, since it uses as much as digits as its factorization.

1121120393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1121120393 is about 33483.1359493104. The cubic root of 1121120393 is about 1038.8449927053.

The spelling of 1121120393 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, three hundred ninety-three".