1121343089 has 2 divisors, whose sum is σ = 1121343090. Its totient is φ = 1121343088.

The previous prime is 1121343079. The next prime is 1121343133. The reversal of 1121343089 is 9803431211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561310864 + 560032225 = 23692^2 + 23665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121343089 - 2⁴ = 1121343073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121343019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560671544 + 560671545.

It is an arithmetic number, because the mean of its divisors is an integer number (560671545).

Almost surely, 2^1121343089 is an apocalyptic number.

It is an amenable number.

1121343089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121343089 is an equidigital number, since it uses as much as digits as its factorization.

1121343089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1121343089 is about 33486.4612791498. The cubic root of 1121343089 is about 1038.9137725050.

The spelling of 1121343089 in words is "one billion, one hundred twenty-one million, three hundred forty-three thousand, eighty-nine".