8120103 has 4 divisors (see below), whose sum is σ = 10826808. Its totient is φ = 5413400.

The previous prime is 8120071. The next prime is 8120113. The reversal of 8120103 is 3010218.

It is a happy number.

8120103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8120103 - 2⁵ = 8120071 is a prime.

8120103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120113) 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, 1353348 + ... + 1353353.

It is an arithmetic number, because the mean of its divisors is an integer number (2706702).

Almost surely, 2^8120103 is an apocalyptic number.

8120103 is a deficient number, since it is larger than the sum of its proper divisors (2706705).

8120103 is a wasteful number, since it uses less digits than its factorization.

8120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706704.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 8120103 is about 2849.5794426547. The cubic root of 8120103 is about 200.9958911068.

The spelling of 8120103 in words is "eight million, one hundred twenty thousand, one hundred three".