12104161 has 4 divisors (see below), whose sum is σ = 12217392. Its totient is φ = 11990932.

The previous prime is 12104111. The next prime is 12104177. The reversal of 12104161 is 16140121.

12104161 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16140121 = 97 ⋅166393.

It is a cyclic number.

It is not a de Polignac number, because 12104161 - 2⁷ = 12104033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12104101) 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, 56455 + ... + 56668.

It is an arithmetic number, because the mean of its divisors is an integer number (3054348).

Almost surely, 2^12104161 is an apocalyptic number.

It is an amenable number.

12104161 is a deficient number, since it is larger than the sum of its proper divisors (113231).

12104161 is a wasteful number, since it uses less digits than its factorization.

12104161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113230.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12104161 is about 3479.1034764721. The cubic root of 12104161 is about 229.6033554306.

Adding to 12104161 its reverse (16140121), we get a palindrome (28244282).

The spelling of 12104161 in words is "twelve million, one hundred four thousand, one hundred sixty-one".