26303121 has 12 divisors (see below), whose sum is σ = 40916148. Its totient is φ = 16186464.

The previous prime is 26303113. The next prime is 26303231. The reversal of 26303121 is 12130362.

26303121 is a `hidden beast` number, since 2 + 630 + 31 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13771521 + 12531600 = 3711^2 + 3540^2 .

It is not a de Polignac number, because 26303121 - 2³ = 26303113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26303094 and 26303103.

It is not an unprimeable number, because it can be changed into a prime (26303111) 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 11 ways as a sum of consecutive naturals, for example, 112290 + ... + 112523.

It is an arithmetic number, because the mean of its divisors is an integer number (3409679).

Almost surely, 2^26303121 is an apocalyptic number.

It is an amenable number.

26303121 is a deficient number, since it is larger than the sum of its proper divisors (14613027).

26303121 is a wasteful number, since it uses less digits than its factorization.

26303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224832 (or 224829 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 26303121 is about 5128.6568417082. The cubic root of 26303121 is about 297.3964368948.

Adding to 26303121 its reverse (12130362), we get a palindrome (38433483).

The spelling of 26303121 in words is "twenty-six million, three hundred three thousand, one hundred twenty-one".