1324890647 has 2 divisors, whose sum is σ = 1324890648. Its totient is φ = 1324890646.

The previous prime is 1324890599. The next prime is 1324890683. The reversal of 1324890647 is 7460984231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1324890647 - 2⁶ = 1324890583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1324890598 and 1324890607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324890547) 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, 662445323 + 662445324.

It is an arithmetic number, because the mean of its divisors is an integer number (662445324).

Almost surely, 2^1324890647 is an apocalyptic number.

1324890647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324890647 is an equidigital number, since it uses as much as digits as its factorization.

1324890647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1324890647 is about 36399.0473364345. The cubic root of 1324890647 is about 1098.3144010149.

The spelling of 1324890647 in words is "one billion, three hundred twenty-four million, eight hundred ninety thousand, six hundred forty-seven".