26565121 has 8 divisors (see below), whose sum is σ = 29268288. Its totient is φ = 23910000.

The previous prime is 26565113. The next prime is 26565127. The reversal of 26565121 is 12156562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26565121 - 2³ = 26565113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26565121.

It is not an unprimeable number, because it can be changed into a prime (26565127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10845 + ... + 13066.

It is an arithmetic number, because the mean of its divisors is an integer number (3658536).

Almost surely, 2^26565121 is an apocalyptic number.

It is an amenable number.

26565121 is a deficient number, since it is larger than the sum of its proper divisors (2703167).

26565121 is a wasteful number, since it uses less digits than its factorization.

26565121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023.

The product of its digits is 3600, while the sum is 28.

The square root of 26565121 is about 5154.1363000992. The cubic root of 26565121 is about 298.3806113671.

It can be divided in two parts, 2656 and 5121, that added together give a palindrome (7777).

The spelling of 26565121 in words is "twenty-six million, five hundred sixty-five thousand, one hundred twenty-one".