27262121 has 2 divisors, whose sum is σ = 27262122. Its totient is φ = 27262120.

The previous prime is 27262111. The next prime is 27262127. The reversal of 27262121 is 12126272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26925721 + 336400 = 5189^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 27262121 - 2⁶ = 27262057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27262127) 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 as a sum of consecutive naturals, namely, 13631060 + 13631061.

It is an arithmetic number, because the mean of its divisors is an integer number (13631061).

Almost surely, 2^27262121 is an apocalyptic number.

It is an amenable number.

27262121 is a deficient number, since it is larger than the sum of its proper divisors (1).

27262121 is an equidigital number, since it uses as much as digits as its factorization.

27262121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 27262121 is about 5221.3141066211. The cubic root of 27262121 is about 300.9676937251.

Adding to 27262121 its reverse (12126272), we get a palindrome (39388393).

The spelling of 27262121 in words is "twenty-seven million, two hundred sixty-two thousand, one hundred twenty-one".