1324402081 has 2 divisors, whose sum is σ = 1324402082. Its totient is φ = 1324402080.

The previous prime is 1324402063. The next prime is 1324402097. The reversal of 1324402081 is 1802044231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788711056 + 535691025 = 28084^2 + 23145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324402081 - 2¹⁵ = 1324369313 is a prime.

It is a super-2 number, since 2×1324402081² = 3508081744314261122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1324402061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662201040 + 662201041.

It is an arithmetic number, because the mean of its divisors is an integer number (662201041).

Almost surely, 2^1324402081 is an apocalyptic number.

It is an amenable number.

1324402081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324402081 is an equidigital number, since it uses as much as digits as its factorization.

1324402081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1324402081 is about 36392.3354705356. The cubic root of 1324402081 is about 1098.1793797971.

The spelling of 1324402081 in words is "one billion, three hundred twenty-four million, four hundred two thousand, eighty-one".