12129067 has 2 divisors, whose sum is σ = 12129068. Its totient is φ = 12129066.

The previous prime is 12129059. The next prime is 12129079. The reversal of 12129067 is 76092121.

It is a happy number.

12129067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12129067 - 2³ = 12129059 is a prime.

It is a super-2 number, since 2×12129067² = 294228532580978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12129017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6064533 + 6064534.

It is an arithmetic number, because the mean of its divisors is an integer number (6064534).

Almost surely, 2^12129067 is an apocalyptic number.

12129067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12129067 is an equidigital number, since it uses as much as digits as its factorization.

12129067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12129067 is about 3482.6810074998. The cubic root of 12129067 is about 229.7607278538.

The spelling of 12129067 in words is "twelve million, one hundred twenty-nine thousand, sixty-seven".