274121 has 2 divisors, whose sum is σ = 274122. Its totient is φ = 274120.

The previous prime is 274117. The next prime is 274123. The reversal of 274121 is 121472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 3721 = 520^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 274121 - 2² = 274117 is a prime.

It is a Sophie Germain prime.

Together with 274123, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 274121.

It is not a weakly prime, because it can be changed into another prime (274123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137060 + 137061.

It is an arithmetic number, because the mean of its divisors is an integer number (137061).

2²⁷⁴¹²¹ is an apocalyptic number.

It is an amenable number.

274121 is a deficient number, since it is larger than the sum of its proper divisors (1).

274121 is an equidigital number, since it uses as much as digits as its factorization.

274121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112, while the sum is 17.

The square root of 274121 is about 523.5656596837. The cubic root of 274121 is about 64.9602123366.

Adding to 274121 its reverse (121472), we get a palindrome (395593).

The spelling of 274121 in words is "two hundred seventy-four thousand, one hundred twenty-one", and thus it is an iban number.