27121141 has 2 divisors, whose sum is σ = 27121142. Its totient is φ = 27121140.

The previous prime is 27121123. The next prime is 27121153. The reversal of 27121141 is 14112172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19580625 + 7540516 = 4425^2 + 2746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27121141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27121181) 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, 13560570 + 13560571.

It is an arithmetic number, because the mean of its divisors is an integer number (13560571).

Almost surely, 2^27121141 is an apocalyptic number.

It is an amenable number.

27121141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27121141 is an equidigital number, since it uses as much as digits as its factorization.

27121141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112, while the sum is 19.

The square root of 27121141 is about 5207.7961749669. The cubic root of 27121141 is about 300.4480010210.

It can be divided in two parts, 271 and 21141, that added together give a palindrome (21412).

The spelling of 27121141 in words is "twenty-seven million, one hundred twenty-one thousand, one hundred forty-one".