2128603 has 2 divisors, whose sum is σ = 2128604. Its totient is φ = 2128602.

The previous prime is 2128601. The next prime is 2128631. The reversal of 2128603 is 3068212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2128603 - 2¹ = 2128601 is a prime.

Together with 2128601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2128601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064301 + 1064302.

It is an arithmetic number, because the mean of its divisors is an integer number (1064302).

2^2128603 is an apocalyptic number.

2128603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128603 is an equidigital number, since it uses as much as digits as its factorization.

2128603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2128603 is about 1458.9732691177. The cubic root of 2128603 is about 128.6366998978.

The spelling of 2128603 in words is "two million, one hundred twenty-eight thousand, six hundred three".