12003109 has 2 divisors, whose sum is σ = 12003110. Its totient is φ = 12003108.

The previous prime is 12003097. The next prime is 12003127. The reversal of 12003109 is 90130021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 272484 = 3425^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003109 - 2¹⁷ = 11872037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003092 and 12003101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003179) 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, 6001554 + 6001555.

It is an arithmetic number, because the mean of its divisors is an integer number (6001555).

Almost surely, 2^12003109 is an apocalyptic number.

It is an amenable number.

12003109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003109 is an equidigital number, since it uses as much as digits as its factorization.

12003109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 12003109 is about 3464.5503315726. The cubic root of 12003109 is about 228.9626185622.

The spelling of 12003109 in words is "twelve million, three thousand, one hundred nine".