1327321727 has 2 divisors, whose sum is σ = 1327321728. Its totient is φ = 1327321726.

The previous prime is 1327321717. The next prime is 1327321747. The reversal of 1327321727 is 7271237231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1327321727 - 2¹⁰ = 1327320703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327321717) 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, 663660863 + 663660864.

It is an arithmetic number, because the mean of its divisors is an integer number (663660864).

Almost surely, 2^1327321727 is an apocalyptic number.

1327321727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327321727 is an equidigital number, since it uses as much as digits as its factorization.

1327321727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 35.

The square root of 1327321727 is about 36432.4268612455. The cubic root of 1327321727 is about 1098.9857667867.

Adding to 1327321727 its reverse (7271237231), we get a palindrome (8598558958).

The spelling of 1327321727 in words is "one billion, three hundred twenty-seven million, three hundred twenty-one thousand, seven hundred twenty-seven".