26871121 has 2 divisors, whose sum is σ = 26871122. Its totient is φ = 26871120.

The previous prime is 26871109. The next prime is 26871127. The reversal of 26871121 is 12117862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 2070721 = 4980^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 26871121 - 2⁷ = 26870993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26871121.

It is not a weakly prime, because it can be changed into another prime (26871127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435560 + 13435561.

It is an arithmetic number, because the mean of its divisors is an integer number (13435561).

Almost surely, 2^26871121 is an apocalyptic number.

It is an amenable number.

26871121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26871121 is an equidigital number, since it uses as much as digits as its factorization.

26871121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 26871121 is about 5183.7362008497. The cubic root of 26871121 is about 299.5219088713.

Adding to 26871121 its reverse (12117862), we get a palindrome (38988983).

The spelling of 26871121 in words is "twenty-six million, eight hundred seventy-one thousand, one hundred twenty-one".