12127118 has 16 divisors (see below), whose sum is σ = 19426176. Its totient is φ = 5664120.

The previous prime is 12127109. The next prime is 12127139. The reversal of 12127118 is 81172121.

12127118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 12127093 and 12127102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1214136).

Almost surely, 2^12127118 is an apocalyptic number.

12127118 is a deficient number, since it is larger than the sum of its proper divisors (7299058).

12127118 is a wasteful number, since it uses less digits than its factorization.

12127118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199.

The product of its digits is 224, while the sum is 23.

The square root of 12127118 is about 3482.4011830919. The cubic root of 12127118 is about 229.7484205690.

Adding to 12127118 its reverse (81172121), we get a palindrome (93299239).

The spelling of 12127118 in words is "twelve million, one hundred twenty-seven thousand, one hundred eighteen".