273128 has 8 divisors (see below), whose sum is σ = 512130. Its totient is φ = 136560.

The previous prime is 273127. The next prime is 273131. The reversal of 273128 is 821372.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 40804 = 482^2 + 202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (273127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17063 + ... + 17078.

2²⁷³¹²⁸ is an apocalyptic number.

It is an amenable number.

273128 is a deficient number, since it is larger than the sum of its proper divisors (239002).

273128 is a wasteful number, since it uses less digits than its factorization.

273128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34147 (or 34143 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 273128 is about 522.6164941905. The cubic root of 273128 is about 64.8816782366.

The spelling of 273128 in words is "two hundred seventy-three thousand, one hundred twenty-eight".