1328203 has 2 divisors, whose sum is σ = 1328204. Its totient is φ = 1328202.

The previous prime is 1328183. The next prime is 1328207. The reversal of 1328203 is 3028231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328203 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1328207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664101 + 664102.

It is an arithmetic number, because the mean of its divisors is an integer number (664102).

2^1328203 is an apocalyptic number.

1328203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328203 is an equidigital number, since it uses as much as digits as its factorization.

1328203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1328203 is about 1152.4768978162. The cubic root of 1328203 is about 109.9228936220.

The spelling of 1328203 in words is "one million, three hundred twenty-eight thousand, two hundred three".