10521203 has 16 divisors (see below), whose sum is σ = 13250304. Its totient is φ = 8115360.

The previous prime is 10521169. The next prime is 10521221. The reversal of 10521203 is 30212501.

It is a happy number.

It is not a de Polignac number, because 10521203 - 2¹⁰ = 10520179 is a prime.

It is a super-2 number, since 2×10521203² = 221391425134418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7601 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (828144).

Almost surely, 2^10521203 is an apocalyptic number.

10521203 is a deficient number, since it is larger than the sum of its proper divisors (2729101).

10521203 is a wasteful number, since it uses less digits than its factorization.

10521203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10521203 is about 3243.6403931385. The cubic root of 10521203 is about 219.1232530420.

Adding to 10521203 its reverse (30212501), we get a palindrome (40733704).

The spelling of 10521203 in words is "ten million, five hundred twenty-one thousand, two hundred three".