1122877065209 has 2 divisors, whose sum is σ = 1122877065210. Its totient is φ = 1122877065208.

The previous prime is 1122877065197. The next prime is 1122877065239. The reversal of 1122877065209 is 9025607782211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596490539584 + 526386525625 = 772328^2 + 725525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122877065209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122877065239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561438532604 + 561438532605.

It is an arithmetic number, because the mean of its divisors is an integer number (561438532605).

Almost surely, 2^{1122877065209} is an apocalyptic number.

It is an amenable number.

1122877065209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122877065209 is an equidigital number, since it uses as much as digits as its factorization.

1122877065209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 1122877065209 in words is "one trillion, one hundred twenty-two billion, eight hundred seventy-seven million, sixty-five thousand, two hundred nine".