102503203 has 16 divisors (see below), whose sum is σ = 117100800. Its totient is φ = 88814880.

The previous prime is 102503201. The next prime is 102503213. The reversal of 102503203 is 302305201.

It is not a de Polignac number, because 102503203 - 2¹ = 102503201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102503201) 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 15 ways as a sum of consecutive naturals, for example, 95353 + ... + 96421.

It is an arithmetic number, because the mean of its divisors is an integer number (7318800).

Almost surely, 2^102503203 is an apocalyptic number.

102503203 is a deficient number, since it is larger than the sum of its proper divisors (14597597).

102503203 is a wasteful number, since it uses less digits than its factorization.

102503203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 102503203 is about 10124.3865493174. The cubic root of 102503203 is about 467.9999558648. Note that the first 4 decimals are identical.

Adding to 102503203 its reverse (302305201), we get a palindrome (404808404).

It can be divided in two parts, 102 and 503203, that added together give a palindrome (503305).

The spelling of 102503203 in words is "one hundred two million, five hundred three thousand, two hundred three".