1120983209 has 2 divisors, whose sum is σ = 1120983210. Its totient is φ = 1120983208.

The previous prime is 1120983187. The next prime is 1120983217. The reversal of 1120983209 is 9023890211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726841600 + 394141609 = 26960^2 + 19853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120983209 - 2²⁰ = 1119934633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120983509) 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, 560491604 + 560491605.

It is an arithmetic number, because the mean of its divisors is an integer number (560491605).

Almost surely, 2^1120983209 is an apocalyptic number.

It is an amenable number.

1120983209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120983209 is an equidigital number, since it uses as much as digits as its factorization.

1120983209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1120983209 is about 33481.0873330004. The cubic root of 1120983209 is about 1038.8026188070.

The spelling of 1120983209 in words is "one billion, one hundred twenty million, nine hundred eighty-three thousand, two hundred nine".