27106129 has 2 divisors, whose sum is σ = 27106130. Its totient is φ = 27106128.

The previous prime is 27106111. The next prime is 27106133. The reversal of 27106129 is 92160172.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15816529 + 11289600 = 3977^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 27106129 - 2¹¹ = 27104081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27106097 and 27106106.

It is not a weakly prime, because it can be changed into another prime (27106139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13553064 + 13553065.

It is an arithmetic number, because the mean of its divisors is an integer number (13553065).

Almost surely, 2^27106129 is an apocalyptic number.

It is an amenable number.

27106129 is a deficient number, since it is larger than the sum of its proper divisors (1).

27106129 is an equidigital number, since it uses as much as digits as its factorization.

27106129 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 27106129 is about 5206.3546748181. The cubic root of 27106129 is about 300.3925564777.

The spelling of 27106129 in words is "twenty-seven million, one hundred six thousand, one hundred twenty-nine".