12104143 has 16 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 11232000.

The previous prime is 12104111. The next prime is 12104177. The reversal of 12104143 is 34140121.

It is a cyclic number.

It is not a de Polignac number, because 12104143 - 2⁵ = 12104111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119793 + ... + 119893.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^12104143 is an apocalyptic number.

12104143 is a deficient number, since it is larger than the sum of its proper divisors (919217).

12104143 is a wasteful number, since it uses less digits than its factorization.

12104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12104143 is about 3479.1008895978. The cubic root of 12104143 is about 229.6032416168.

Adding to 12104143 its reverse (34140121), we get a palindrome (46244264).

The spelling of 12104143 in words is "twelve million, one hundred four thousand, one hundred forty-three".