1321038067 has 2 divisors, whose sum is σ = 1321038068. Its totient is φ = 1321038066.

The previous prime is 1321038049. The next prime is 1321038083. The reversal of 1321038067 is 7608301231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321038067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1321038007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660519033 + 660519034.

It is an arithmetic number, because the mean of its divisors is an integer number (660519034).

Almost surely, 2^1321038067 is an apocalyptic number.

1321038067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321038067 is an equidigital number, since it uses as much as digits as its factorization.

1321038067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1321038067 is about 36346.0873685188. The cubic root of 1321038067 is about 1097.2487905283.

Adding to 1321038067 its reverse (7608301231), we get a palindrome (8929339298).

The spelling of 1321038067 in words is "one billion, three hundred twenty-one million, thirty-eight thousand, sixty-seven".