1230332209 has 2 divisors, whose sum is σ = 1230332210. Its totient is φ = 1230332208.

The previous prime is 1230332203. The next prime is 1230332237. The reversal of 1230332209 is 9022330321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1217800609 + 12531600 = 34897^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230332209 - 2²³ = 1221943601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230332203) 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, 615166104 + 615166105.

It is an arithmetic number, because the mean of its divisors is an integer number (615166105).

Almost surely, 2^1230332209 is an apocalyptic number.

It is an amenable number.

1230332209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230332209 is an equidigital number, since it uses as much as digits as its factorization.

1230332209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1230332209 is about 35076.0917007582. The cubic root of 1230332209 is about 1071.5377223716.

The spelling of 1230332209 in words is "one billion, two hundred thirty million, three hundred thirty-two thousand, two hundred nine".