1120569997 has 2 divisors, whose sum is σ = 1120569998. Its totient is φ = 1120569996.

The previous prime is 1120569979. The next prime is 1120570007. The reversal of 1120569997 is 7999650211.

Together with previous prime (1120569979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037741796 + 82828201 = 32214^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120569997 - 2¹¹ = 1120567949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120569997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120569917) 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, 560284998 + 560284999.

It is an arithmetic number, because the mean of its divisors is an integer number (560284999).

Almost surely, 2^1120569997 is an apocalyptic number.

It is an amenable number.

1120569997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120569997 is an equidigital number, since it uses as much as digits as its factorization.

1120569997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 49.

The square root of 1120569997 is about 33474.9159371611. The cubic root of 1120569997 is about 1038.6749634721.

The spelling of 1120569997 in words is "one billion, one hundred twenty million, five hundred sixty-nine thousand, nine hundred ninety-seven".