12026129 has 2 divisors, whose sum is σ = 12026130. Its totient is φ = 12026128.

The previous prime is 12026117. The next prime is 12026149. The reversal of 12026129 is 92162021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10387729 + 1638400 = 3223^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 12026129 - 2⁸ = 12025873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12026149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013064 + 6013065.

It is an arithmetic number, because the mean of its divisors is an integer number (6013065).

Almost surely, 2^12026129 is an apocalyptic number.

It is an amenable number.

12026129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026129 is an equidigital number, since it uses as much as digits as its factorization.

12026129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12026129 is about 3467.8709606904. The cubic root of 12026129 is about 229.1088960421.

The spelling of 12026129 in words is "twelve million, twenty-six thousand, one hundred twenty-nine".