274128 has 20 divisors (see below), whose sum is σ = 708288. Its totient is φ = 91360.

The previous prime is 274123. The next prime is 274139. The reversal of 274128 is 821472.

274128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 274098 and 274107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808 + ... + 2903.

2²⁷⁴¹²⁸ is an apocalyptic number.

It is an amenable number.

274128 is an abundant number, since it is smaller than the sum of its proper divisors (434160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274128 is a wasteful number, since it uses less digits than its factorization.

274128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5716 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 274128 is about 523.5723445714. The cubic root of 274128 is about 64.9607652769.

The spelling of 274128 in words is "two hundred seventy-four thousand, one hundred twenty-eight".