102002003 has 2 divisors, whose sum is σ = 102002004. Its totient is φ = 102002002.

The previous prime is 102001993. The next prime is 102002071. The reversal of 102002003 is 300200201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102002003 - 2¹⁰ = 102000979 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001001 + 51001002.

It is an arithmetic number, because the mean of its divisors is an integer number (51001002).

Almost surely, 2^102002003 is an apocalyptic number.

102002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002003 is an equidigital number, since it uses as much as digits as its factorization.

102002003 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102002003 is about 10099.6041011517. The cubic root of 102002003 is about 467.2359312058.

Adding to 102002003 its reverse (300200201), we get a palindrome (402202204).

The spelling of 102002003 in words is "one hundred two million, two thousand, three".