1328032103 has 4 divisors (see below), whose sum is σ = 1328948808. Its totient is φ = 1327115400.

The previous prime is 1328032099. The next prime is 1328032171. The reversal of 1328032103 is 3012308231.

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

It is a cyclic number.

It is not a de Polignac number, because 1328032103 - 2² = 1328032099 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 (1328032603) 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, 456176 + ... + 459077.

It is an arithmetic number, because the mean of its divisors is an integer number (332237202).

Almost surely, 2^1328032103 is an apocalyptic number.

1328032103 is a deficient number, since it is larger than the sum of its proper divisors (916705).

1328032103 is an equidigital number, since it uses as much as digits as its factorization.

1328032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916704.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1328032103 is about 36442.1747841701. The cubic root of 1328032103 is about 1099.1817890633.

The spelling of 1328032103 in words is "one billion, three hundred twenty-eight million, thirty-two thousand, one hundred three".