1328024084281 has 4 divisors (see below), whose sum is σ = 1330664291712. Its totient is φ = 1325383876852.

The previous prime is 1328024084269. The next prime is 1328024084287. The reversal of 1328024084281 is 1824804208231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1328024084281 - 2⁹ = 1328024083769 is a prime.

It is a super-2 number, since 2×1328024084281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328024084287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320102961 + ... + 1320103966.

It is an arithmetic number, because the mean of its divisors is an integer number (332666072928).

Almost surely, 2^{1328024084281} is an apocalyptic number.

It is an amenable number.

1328024084281 is a deficient number, since it is larger than the sum of its proper divisors (2640207431).

1328024084281 is an equidigital number, since it uses as much as digits as its factorization.

1328024084281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640207430.

The product of its (nonzero) digits is 196608, while the sum is 43.

The spelling of 1328024084281 in words is "one trillion, three hundred twenty-eight billion, twenty-four million, eighty-four thousand, two hundred eighty-one".