12107161 has 16 divisors (see below), whose sum is σ = 14178240. Its totient is φ = 10221120.

The previous prime is 12107149. The next prime is 12107167. The reversal of 12107161 is 16170121.

12107161 = 129² + 130² + ... + 337².

12107161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12107161 - 2⁵ = 12107129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12107167) 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, 10531 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (886140).

Almost surely, 2^12107161 is an apocalyptic number.

12107161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12107161 is a deficient number, since it is larger than the sum of its proper divisors (2071079).

12107161 is a wasteful number, since it uses less digits than its factorization.

12107161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 12107161 is about 3479.5345953159. The cubic root of 12107161 is about 229.6223228244.

Adding to 12107161 its reverse (16170121), we get a palindrome (28277282).

The spelling of 12107161 in words is "twelve million, one hundred seven thousand, one hundred sixty-one".