1126244809 has 2 divisors, whose sum is σ = 1126244810. Its totient is φ = 1126244808.

The previous prime is 1126244797. The next prime is 1126244843. The reversal of 1126244809 is 9084426211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062564409 + 63680400 = 32597^2 + 7980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126244809 - 2¹⁵ = 1126212041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126244869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563122404 + 563122405.

It is an arithmetic number, because the mean of its divisors is an integer number (563122405).

Almost surely, 2^1126244809 is an apocalyptic number.

It is an amenable number.

1126244809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126244809 is an equidigital number, since it uses as much as digits as its factorization.

1126244809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1126244809 is about 33559.5710491061. The cubic root of 1126244809 is about 1040.4253711749.

The spelling of 1126244809 in words is "one billion, one hundred twenty-six million, two hundred forty-four thousand, eight hundred nine".