26089121 has 2 divisors, whose sum is σ = 26089122. Its totient is φ = 26089120.

The previous prime is 26089111. The next prime is 26089123. The reversal of 26089121 is 12198062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 6948496 = 4375^2 + 2636^2 .

It is a cyclic number.

It is not a de Polignac number, because 26089121 - 2¹⁴ = 26072737 is a prime.

Together with 26089123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26089123) 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, 13044560 + 13044561.

It is an arithmetic number, because the mean of its divisors is an integer number (13044561).

Almost surely, 2^26089121 is an apocalyptic number.

It is an amenable number.

26089121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26089121 is an equidigital number, since it uses as much as digits as its factorization.

26089121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 26089121 is about 5107.7510706768. The cubic root of 26089121 is about 296.5877087913.

The spelling of 26089121 in words is "twenty-six million, eighty-nine thousand, one hundred twenty-one".