1120265089 has 2 divisors, whose sum is σ = 1120265090. Its totient is φ = 1120265088.

The previous prime is 1120265087. The next prime is 1120265101. The reversal of 1120265089 is 9805620211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617025600 + 503239489 = 24840^2 + 22433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120265089 - 2¹ = 1120265087 is a prime.

Together with 1120265087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1120265087) 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, 560132544 + 560132545.

It is an arithmetic number, because the mean of its divisors is an integer number (560132545).

Almost surely, 2^1120265089 is an apocalyptic number.

It is an amenable number.

1120265089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120265089 is an equidigital number, since it uses as much as digits as its factorization.

1120265089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1120265089 is about 33470.3613515002. The cubic root of 1120265089 is about 1038.5807468277.

The spelling of 1120265089 in words is "one billion, one hundred twenty million, two hundred sixty-five thousand, eighty-nine".