274246121 has 2 divisors, whose sum is σ = 274246122. Its totient is φ = 274246120.

The previous prime is 274246117. The next prime is 274246123. The reversal of 274246121 is 121642472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260370496 + 13875625 = 16136^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 274246121 - 2² = 274246117 is a prime.

Together with 274246123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274246123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137123060 + 137123061.

It is an arithmetic number, because the mean of its divisors is an integer number (137123061).

Almost surely, 2^274246121 is an apocalyptic number.

It is an amenable number.

274246121 is a deficient number, since it is larger than the sum of its proper divisors (1).

274246121 is an equidigital number, since it uses as much as digits as its factorization.

274246121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 274246121 is about 16560.3780452017. The cubic root of 274246121 is about 649.7009440865.

Adding to 274246121 its reverse (121642472), we get a palindrome (395888593).

The spelling of 274246121 in words is "two hundred seventy-four million, two hundred forty-six thousand, one hundred twenty-one".