10021203 has 12 divisors (see below), whose sum is σ = 14509560. Its totient is φ = 6664896.

The previous prime is 10021163. The next prime is 10021213. The reversal of 10021203 is 30212001.

It is a happy number.

10021203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021203 - 2⁸ = 10020947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10021213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3643 + ... + 5771.

It is an arithmetic number, because the mean of its divisors is an integer number (1209130).

Almost surely, 2^10021203 is an apocalyptic number.

10021203 is a deficient number, since it is larger than the sum of its proper divisors (4488357).

10021203 is a wasteful number, since it uses less digits than its factorization.

10021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10021203 is about 3165.6283736408. The cubic root of 10021203 is about 215.5956297741.

Adding to 10021203 its reverse (30212001), we get a palindrome (40233204).

The spelling of 10021203 in words is "ten million, twenty-one thousand, two hundred three".