274343121 has 24 divisors (see below), whose sum is σ = 429647400. Its totient is φ = 167682816.

The previous prime is 274343117. The next prime is 274343129. The reversal of 274343121 is 121343472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13068225 + 261274896 = 3615^2 + 16164^2 .

It is not a de Polignac number, because 274343121 - 2² = 274343117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274343129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9565 + ... + 25301.

It is an arithmetic number, because the mean of its divisors is an integer number (17901975).

Almost surely, 2^274343121 is an apocalyptic number.

It is an amenable number.

274343121 is a deficient number, since it is larger than the sum of its proper divisors (155304279).

274343121 is a wasteful number, since it uses less digits than its factorization.

274343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15905 (or 15902 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 274343121 is about 16563.3064633847. The cubic root of 274343121 is about 649.7775341250. Note that the first 3 decimals are identical.

Adding to 274343121 its reverse (121343472), we get a palindrome (395686593).

The spelling of 274343121 in words is "two hundred seventy-four million, three hundred forty-three thousand, one hundred twenty-one".