202103 has 8 divisors (see below), whose sum is σ = 232320. Its totient is φ = 173880.

The previous prime is 202099. The next prime is 202109. The reversal of 202103 is 301202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202103 - 2² = 202099 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (29040).

2²⁰²¹⁰³ is an apocalyptic number.

202103 is a deficient number, since it is larger than the sum of its proper divisors (30217).

202103 is a wasteful number, since it uses less digits than its factorization.

202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 202103 is about 449.5586724778. The cubic root of 202103 is about 58.6846141427.

Adding to 202103 its reverse (301202), we get a palindrome (503305).

Subtracting 202103 from its reverse (301202), we obtain a palindrome (99099).

The spelling of 202103 in words is "two hundred two thousand, one hundred three", and thus it is an iban number.