102442103 has 2 divisors, whose sum is σ = 102442104. Its totient is φ = 102442102.

The previous prime is 102442099. The next prime is 102442127. The reversal of 102442103 is 301244201.

It is a weak prime.

It is an emirp because it is prime and its reverse (301244201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102442103 - 2² = 102442099 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102442303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221051 + 51221052.

It is an arithmetic number, because the mean of its divisors is an integer number (51221052).

Almost surely, 2^102442103 is an apocalyptic number.

102442103 is a deficient number, since it is larger than the sum of its proper divisors (1).

102442103 is an equidigital number, since it uses as much as digits as its factorization.

102442103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102442103 is about 10121.3686327492. The cubic root of 102442103 is about 467.9069490776.

Adding to 102442103 its reverse (301244201), we get a palindrome (403686304).

The spelling of 102442103 in words is "one hundred two million, four hundred forty-two thousand, one hundred three".