8266129 has 2 divisors, whose sum is σ = 8266130. Its totient is φ = 8266128.

The previous prime is 8266109. The next prime is 8266151. The reversal of 8266129 is 9216628.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 565504 = 2775^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 8266129 - 2⁷ = 8266001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8266094 and 8266103.

It is not a weakly prime, because it can be changed into another prime (8266109) 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 as a sum of consecutive naturals, namely, 4133064 + 4133065.

It is an arithmetic number, because the mean of its divisors is an integer number (4133065).

Almost surely, 2^8266129 is an apocalyptic number.

It is an amenable number.

8266129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8266129 is an equidigital number, since it uses as much as digits as its factorization.

8266129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 8266129 is about 2875.0876508378. The cubic root of 8266129 is about 202.1935944237.

The spelling of 8266129 in words is "eight million, two hundred sixty-six thousand, one hundred twenty-nine".