12103127 has 2 divisors, whose sum is σ = 12103128. Its totient is φ = 12103126.

The previous prime is 12103123. The next prime is 12103139. The reversal of 12103127 is 72130121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12103127 - 2² = 12103123 is a prime.

It is a Chen prime.

It is a plaindrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051563 + 6051564.

It is an arithmetic number, because the mean of its divisors is an integer number (6051564).

Almost surely, 2^12103127 is an apocalyptic number.

12103127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103127 is an equidigital number, since it uses as much as digits as its factorization.

12103127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12103127 is about 3478.9548717970. The cubic root of 12103127 is about 229.5968172759.

Adding to 12103127 its reverse (72130121), we get a palindrome (84233248).

The spelling of 12103127 in words is "twelve million, one hundred three thousand, one hundred twenty-seven".