26104121 has 2 divisors, whose sum is σ = 26104122. Its totient is φ = 26104120.

The previous prime is 26104109. The next prime is 26104123. The reversal of 26104121 is 12140162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23145721 + 2958400 = 4811^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 26104121 - 2¹⁰ = 26103097 is a prime.

Together with 26104123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26104121.

It is not a weakly prime, because it can be changed into another prime (26104123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052060 + 13052061.

It is an arithmetic number, because the mean of its divisors is an integer number (13052061).

Almost surely, 2^26104121 is an apocalyptic number.

It is an amenable number.

26104121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26104121 is an equidigital number, since it uses as much as digits as its factorization.

26104121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 26104121 is about 5109.2192162795. The cubic root of 26104121 is about 296.6445391624.

Adding to 26104121 its reverse (12140162), we get a palindrome (38244283).

The spelling of 26104121 in words is "twenty-six million, one hundred four thousand, one hundred twenty-one".