12127107 has 8 divisors (see below), whose sum is σ = 16691200. Its totient is φ = 7823880.

The previous prime is 12127091. The next prime is 12127109. The reversal of 12127107 is 70172121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12127107 - 2⁴ = 12127091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12127109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65107 + ... + 65292.

It is an arithmetic number, because the mean of its divisors is an integer number (2086400).

Almost surely, 2^12127107 is an apocalyptic number.

12127107 is a deficient number, since it is larger than the sum of its proper divisors (4564093).

12127107 is a wasteful number, since it uses less digits than its factorization.

12127107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130433.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 12127107 is about 3482.3996037215. The cubic root of 12127107 is about 229.7483511039.

Adding to 12127107 its reverse (70172121), we get a palindrome (82299228).

The spelling of 12127107 in words is "twelve million, one hundred twenty-seven thousand, one hundred seven".