1327011403 has 4 divisors (see below), whose sum is σ = 1352049408. Its totient is φ = 1301973400.

The previous prime is 1327011397. The next prime is 1327011407. The reversal of 1327011403 is 3041107231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041107231 = 137 ⋅22197863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327011403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327011407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12518923 + ... + 12519028.

It is an arithmetic number, because the mean of its divisors is an integer number (338012352).

Almost surely, 2^1327011403 is an apocalyptic number.

1327011403 is a deficient number, since it is larger than the sum of its proper divisors (25038005).

1327011403 is an equidigital number, since it uses as much as digits as its factorization.

1327011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25038004.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1327011403 is about 36428.1677140094. The cubic root of 1327011403 is about 1098.9001135413.

Adding to 1327011403 its reverse (3041107231), we get a palindrome (4368118634).

The spelling of 1327011403 in words is "one billion, three hundred twenty-seven million, eleven thousand, four hundred three".