26204121 has 16 divisors (see below), whose sum is σ = 39024000. Its totient is φ = 17378064.

The previous prime is 26204119. The next prime is 26204131. The reversal of 26204121 is 12140262.

26204121 is a `hidden beast` number, since 2 + 620 + 41 + 2 + 1 = 666.

It is not a de Polignac number, because 26204121 - 2¹ = 26204119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26204094 and 26204103.

It is not an unprimeable number, because it can be changed into a prime (26204131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (2439000).

Almost surely, 2^26204121 is an apocalyptic number.

It is an amenable number.

26204121 is a deficient number, since it is larger than the sum of its proper divisors (12819879).

26204121 is a wasteful number, since it uses less digits than its factorization.

26204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 26204121 is about 5118.9960929854. The cubic root of 26204121 is about 297.0228530522.

Adding to 26204121 its reverse (12140262), we get a palindrome (38344383).

The spelling of 26204121 in words is "twenty-six million, two hundred four thousand, one hundred twenty-one".