26682121 has 2 divisors, whose sum is σ = 26682122. Its totient is φ = 26682120.

The previous prime is 26682107. The next prime is 26682133. The reversal of 26682121 is 12128662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20748025 + 5934096 = 4555^2 + 2436^2 .

It is a cyclic number.

It is not a de Polignac number, because 26682121 - 2⁹ = 26681609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26682121.

It is not a weakly prime, because it can be changed into another prime (26682151) 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, 13341060 + 13341061.

It is an arithmetic number, because the mean of its divisors is an integer number (13341061).

Almost surely, 2^26682121 is an apocalyptic number.

It is an amenable number.

26682121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26682121 is an equidigital number, since it uses as much as digits as its factorization.

26682121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 26682121 is about 5165.4739375976. The cubic root of 26682121 is about 298.8180195605.

The spelling of 26682121 in words is "twenty-six million, six hundred eighty-two thousand, one hundred twenty-one".