1324821011 has 2 divisors, whose sum is σ = 1324821012. Its totient is φ = 1324821010.

The previous prime is 1324820971. The next prime is 1324821023. The reversal of 1324821011 is 1101284231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1324821011 - 2¹⁸ = 1324558867 is a prime.

It is a super-2 number, since 2×1324821011² = 3510301422374124242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1324821031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662410505 + 662410506.

It is an arithmetic number, because the mean of its divisors is an integer number (662410506).

Almost surely, 2^1324821011 is an apocalyptic number.

1324821011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324821011 is an equidigital number, since it uses as much as digits as its factorization.

1324821011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1324821011 is about 36398.0907603682. The cubic root of 1324821011 is about 1098.2951582792.

The spelling of 1324821011 in words is "one billion, three hundred twenty-four million, eight hundred twenty-one thousand, eleven".