102003103 has 4 divisors (see below), whose sum is σ = 102125520. Its totient is φ = 101880688.

The previous prime is 102003071. The next prime is 102003127. The reversal of 102003103 is 301300201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301300201 = 149 ⋅2022149.

It is a cyclic number.

It is not a de Polignac number, because 102003103 - 2⁵ = 102003071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102003103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59950 + ... + 61627.

It is an arithmetic number, because the mean of its divisors is an integer number (25531380).

Almost surely, 2^102003103 is an apocalyptic number.

102003103 is a deficient number, since it is larger than the sum of its proper divisors (122417).

102003103 is an equidigital number, since it uses as much as digits as its factorization.

102003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122416.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 102003103 is about 10099.6585585850. The cubic root of 102003103 is about 467.2376107731.

Adding to 102003103 its reverse (301300201), we get a palindrome (403303304).

The spelling of 102003103 in words is "one hundred two million, three thousand, one hundred three".