1327240403 has 2 divisors, whose sum is σ = 1327240404. Its totient is φ = 1327240402.

The previous prime is 1327240393. The next prime is 1327240441. The reversal of 1327240403 is 3040427231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3040427231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1327240403 - 2⁶ = 1327240339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327240493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663620201 + 663620202.

It is an arithmetic number, because the mean of its divisors is an integer number (663620202).

Almost surely, 2^1327240403 is an apocalyptic number.

1327240403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327240403 is an equidigital number, since it uses as much as digits as its factorization.

1327240403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1327240403 is about 36431.3107505069. The cubic root of 1327240403 is about 1098.9633216522.

Adding to 1327240403 its reverse (3040427231), we get a palindrome (4367667634).

The spelling of 1327240403 in words is "one billion, three hundred twenty-seven million, two hundred forty thousand, four hundred three".