1327671903 has 4 divisors (see below), whose sum is σ = 1770229208. Its totient is φ = 885114600.

The previous prime is 1327671871. The next prime is 1327671907. The reversal of 1327671903 is 3091767231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1327671903 - 2⁵ = 1327671871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327671907) 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 in 3 ways as a sum of consecutive naturals, for example, 221278648 + ... + 221278653.

It is an arithmetic number, because the mean of its divisors is an integer number (442557302).

Almost surely, 2^1327671903 is an apocalyptic number.

1327671903 is a deficient number, since it is larger than the sum of its proper divisors (442557305).

1327671903 is an equidigital number, since it uses as much as digits as its factorization.

1327671903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442557304.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 1327671903 is about 36437.2323729451. The cubic root of 1327671903 is about 1099.0824036442.

The spelling of 1327671903 in words is "one billion, three hundred twenty-seven million, six hundred seventy-one thousand, nine hundred three".