12120103 has 8 divisors (see below), whose sum is σ = 12686688. Its totient is φ = 11556864.

The previous prime is 12120091. The next prime is 12120179. The reversal of 12120103 is 30102121.

12120103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120103 - 2⁵ = 12120071 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 12120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9351 + ... + 10567.

It is an arithmetic number, because the mean of its divisors is an integer number (1585836).

Almost surely, 2^12120103 is an apocalyptic number.

12120103 is a deficient number, since it is larger than the sum of its proper divisors (566585).

12120103 is a wasteful number, since it uses less digits than its factorization.

12120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12120103 is about 3481.3938300629. The cubic root of 12120103 is about 229.7041122666.

Adding to 12120103 its reverse (30102121), we get a palindrome (42222224).

The spelling of 12120103 in words is "twelve million, one hundred twenty thousand, one hundred three".