1230033209 has 2 divisors, whose sum is σ = 1230033210. Its totient is φ = 1230033208.

The previous prime is 1230033199. The next prime is 1230033257. The reversal of 1230033209 is 9023300321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191630400 + 38402809 = 34520^2 + 6197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230033209 - 2⁸ = 1230032953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230033269) 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, 615016604 + 615016605.

It is an arithmetic number, because the mean of its divisors is an integer number (615016605).

Almost surely, 2^1230033209 is an apocalyptic number.

It is an amenable number.

1230033209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230033209 is an equidigital number, since it uses as much as digits as its factorization.

1230033209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1230033209 is about 35071.8292793518. The cubic root of 1230033209 is about 1071.4509122851.

The spelling of 1230033209 in words is "one billion, two hundred thirty million, thirty-three thousand, two hundred nine".