26840101 has 4 divisors (see below), whose sum is σ = 27346572. Its totient is φ = 26333632.

The previous prime is 26840087. The next prime is 26840119. The reversal of 26840101 is 10104862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7568001 + 19272100 = 2751^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 26840101 - 2⁷ = 26839973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26810101) 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 in 3 ways as a sum of consecutive naturals, for example, 253156 + ... + 253261.

It is an arithmetic number, because the mean of its divisors is an integer number (6836643).

Almost surely, 2^26840101 is an apocalyptic number.

It is an amenable number.

26840101 is a deficient number, since it is larger than the sum of its proper divisors (506471).

26840101 is an equidigital number, since it uses as much as digits as its factorization.

26840101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506470.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 26840101 is about 5180.7432864407. The cubic root of 26840101 is about 299.4066085439.

Adding to 26840101 its reverse (10104862), we get a palindrome (36944963).

The spelling of 26840101 in words is "twenty-six million, eight hundred forty thousand, one hundred one".