26127121 has 2 divisors, whose sum is σ = 26127122. Its totient is φ = 26127120.

The previous prime is 26127091. The next prime is 26127131. The reversal of 26127121 is 12172162.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 483025 = 5064^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 26127121 - 2⁷ = 26126993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26127092 and 26127101.

It is not a weakly prime, because it can be changed into another prime (26127131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13063560 + 13063561.

It is an arithmetic number, because the mean of its divisors is an integer number (13063561).

Almost surely, 2^26127121 is an apocalyptic number.

It is an amenable number.

26127121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26127121 is an equidigital number, since it uses as much as digits as its factorization.

26127121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 26127121 is about 5111.4695538563. The cubic root of 26127121 is about 296.7316367966.

Adding to 26127121 its reverse (12172162), we get a palindrome (38299283).

The spelling of 26127121 in words is "twenty-six million, one hundred twenty-seven thousand, one hundred twenty-one".