1330300921 has 2 divisors, whose sum is σ = 1330300922. Its totient is φ = 1330300920.

The previous prime is 1330300823. The next prime is 1330300931. The reversal of 1330300921 is 1290030331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192942521 + 137358400 = 34539^2 + 11720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330300921 - 2⁷ = 1330300793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1330300892 and 1330300901.

It is not a weakly prime, because it can be changed into another prime (1330300931) 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, 665150460 + 665150461.

It is an arithmetic number, because the mean of its divisors is an integer number (665150461).

Almost surely, 2^1330300921 is an apocalyptic number.

It is an amenable number.

1330300921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330300921 is an equidigital number, since it uses as much as digits as its factorization.

1330300921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1330300921 is about 36473.2905151153. The cubic root of 1330300921 is about 1099.8073825268.

The spelling of 1330300921 in words is "one billion, three hundred thirty million, three hundred thousand, nine hundred twenty-one".