2130203 has 4 divisors (see below), whose sum is σ = 2136288. Its totient is φ = 2124120.

The previous prime is 2130173. The next prime is 2130209. The reversal of 2130203 is 3020312.

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 2130203 - 2¹⁴ = 2113819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (534072).

2^2130203 is an apocalyptic number.

2130203 is a deficient number, since it is larger than the sum of its proper divisors (6085).

2130203 is an equidigital number, since it uses as much as digits as its factorization.

2130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2130203 is about 1459.5214969297. The cubic root of 2130203 is about 128.6689224669.

Adding to 2130203 its reverse (3020312), we get a palindrome (5150515).

The spelling of 2130203 in words is "two million, one hundred thirty thousand, two hundred three".