27226121 has 4 divisors (see below), whose sum is σ = 29320452. Its totient is φ = 25131792.

The previous prime is 27226109. The next prime is 27226127. The reversal of 27226121 is 12162272.

It is a happy number.

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 13801225 + 13424896 = 3715^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 27226121 - 2¹⁸ = 26963977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27226127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047146 + ... + 1047171.

It is an arithmetic number, because the mean of its divisors is an integer number (7330113).

Almost surely, 2^27226121 is an apocalyptic number.

It is an amenable number.

27226121 is a deficient number, since it is larger than the sum of its proper divisors (2094331).

27226121 is a wasteful number, since it uses less digits than its factorization.

27226121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094330.

The product of its digits is 672, while the sum is 23.

The square root of 27226121 is about 5217.8655597859. The cubic root of 27226121 is about 300.8351580644.

Adding to 27226121 its reverse (12162272), we get a palindrome (39388393).

The spelling of 27226121 in words is "twenty-seven million, two hundred twenty-six thousand, one hundred twenty-one".