1126809559 has 2 divisors, whose sum is σ = 1126809560. Its totient is φ = 1126809558.

The previous prime is 1126809533. The next prime is 1126809569. The reversal of 1126809559 is 9559086211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1126809559 - 2¹⁹ = 1126285271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126809569) 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, 563404779 + 563404780.

It is an arithmetic number, because the mean of its divisors is an integer number (563404780).

Almost surely, 2^1126809559 is an apocalyptic number.

1126809559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126809559 is an equidigital number, since it uses as much as digits as its factorization.

1126809559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 46.

The square root of 1126809559 is about 33567.9841366740. The cubic root of 1126809559 is about 1040.5992475346.

The spelling of 1126809559 in words is "one billion, one hundred twenty-six million, eight hundred nine thousand, five hundred fifty-nine".