8420103 has 12 divisors (see below), whose sum is σ = 12334608. Its totient is φ = 5533920.

The previous prime is 8420051. The next prime is 8420119. The reversal of 8420103 is 3010248.

It is a happy number.

8420103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8420103 - 2⁹ = 8419591 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5950 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (1027884).

Almost surely, 2^8420103 is an apocalyptic number.

8420103 is a deficient number, since it is larger than the sum of its proper divisors (3914505).

8420103 is a wasteful number, since it uses less digits than its factorization.

8420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13254 (or 13251 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8420103 is about 2901.7413737272. The cubic root of 8420103 is about 203.4413057893.

The spelling of 8420103 in words is "eight million, four hundred twenty thousand, one hundred three".