2128203 has 48 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1062720.

The previous prime is 2128201. The next prime is 2128241. The reversal of 2128203 is 3028212.

It is a happy number.

It is not a de Polignac number, because 2128203 - 2¹ = 2128201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25600 + ... + 25682.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2^2128203 is an apocalyptic number.

2128203 is a deficient number, since it is larger than the sum of its proper divisors (1855413).

2128203 is a wasteful number, since it uses less digits than its factorization.

2128203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2128203 is about 1458.8361799736. The cubic root of 2128203 is about 128.6286417326.

Subtracting 2128203 from its reverse (3028212), we obtain a palindrome (900009).

It can be divided in two parts, 21 and 28203, that added together give a square (28224 = 168²).

The spelling of 2128203 in words is "two million, one hundred twenty-eight thousand, two hundred three".