274739121 has 20 divisors (see below), whose sum is σ = 418162932. Its totient is φ = 179700768.

The previous prime is 274739099. The next prime is 274739141. The reversal of 274739121 is 121937472.

It can be written as a sum of positive squares in 2 ways, for example, as 208398096 + 66341025 = 14436^2 + 8145^2 .

It is not a de Polignac number, because 274739121 - 2⁹ = 274738609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274739141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27706 + ... + 36291.

Almost surely, 2^274739121 is an apocalyptic number.

It is an amenable number.

274739121 is a deficient number, since it is larger than the sum of its proper divisors (143423811).

274739121 is an equidigital number, since it uses as much as digits as its factorization.

274739121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64062 (or 64053 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 274739121 is about 16575.2562876114. The cubic root of 274739121 is about 650.0900238232.

The spelling of 274739121 in words is "two hundred seventy-four million, seven hundred thirty-nine thousand, one hundred twenty-one".