1321410611 has 2 divisors, whose sum is σ = 1321410612. Its totient is φ = 1321410610.

The previous prime is 1321410581. The next prime is 1321410617. The reversal of 1321410611 is 1160141231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321410611 - 2¹⁴ = 1321394227 is a prime.

It is a super-2 number, since 2×1321410611² = 3492252005726786642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1321410617) 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, 660705305 + 660705306.

It is an arithmetic number, because the mean of its divisors is an integer number (660705306).

Almost surely, 2^1321410611 is an apocalyptic number.

1321410611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321410611 is an equidigital number, since it uses as much as digits as its factorization.

1321410611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1321410611 is about 36351.2119605385. The cubic root of 1321410611 is about 1097.3519253391.

Adding to 1321410611 its reverse (1160141231), we get a palindrome (2481551842).

The spelling of 1321410611 in words is "one billion, three hundred twenty-one million, four hundred ten thousand, six hundred eleven".