330043121 has 2 divisors, whose sum is σ = 330043122. Its totient is φ = 330043120.

The previous prime is 330043099. The next prime is 330043127. The reversal of 330043121 is 121340033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329930896 + 112225 = 18164^2 + 335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330043121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330043121.

It is not a weakly prime, because it can be changed into another prime (330043127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165021560 + 165021561.

It is an arithmetic number, because the mean of its divisors is an integer number (165021561).

Almost surely, 2^330043121 is an apocalyptic number.

It is an amenable number.

330043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

330043121 is an equidigital number, since it uses as much as digits as its factorization.

330043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 330043121 is about 18167.0889522785. The cubic root of 330043121 is about 691.0724211205.

Adding to 330043121 its reverse (121340033), we get a palindrome (451383154).

The spelling of 330043121 in words is "three hundred thirty million, forty-three thousand, one hundred twenty-one".