26008121 has 2 divisors, whose sum is σ = 26008122. Its totient is φ = 26008120.

The previous prime is 26008097. The next prime is 26008123. The reversal of 26008121 is 12180062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 4515625 = 4636^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 26008121 - 2⁶ = 26008057 is a prime.

Together with 26008123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26008093 and 26008102.

It is not a weakly prime, because it can be changed into another prime (26008123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13004060 + 13004061.

It is an arithmetic number, because the mean of its divisors is an integer number (13004061).

Almost surely, 2^26008121 is an apocalyptic number.

It is an amenable number.

26008121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26008121 is an equidigital number, since it uses as much as digits as its factorization.

26008121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 26008121 is about 5099.8157809866. The cubic root of 26008121 is about 296.2804477717.

Adding to 26008121 its reverse (12180062), we get a palindrome (38188183).

The spelling of 26008121 in words is "twenty-six million, eight thousand, one hundred twenty-one".