128027273 has 8 divisors (see below), whose sum is σ = 140439936. Its totient is φ = 115743600.

The previous prime is 128027261. The next prime is 128027279. The reversal of 128027273 is 372720821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128027273 - 2¹² = 128023177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128027279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30161 + ... + 34142.

It is an arithmetic number, because the mean of its divisors is an integer number (17554992).

Almost surely, 2^128027273 is an apocalyptic number.

It is an amenable number.

128027273 is a deficient number, since it is larger than the sum of its proper divisors (12412663).

128027273 is a wasteful number, since it uses less digits than its factorization.

128027273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64495.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 128027273 is about 11314.9137424905. The cubic root of 128027273 is about 504.0042109856.

The spelling of 128027273 in words is "one hundred twenty-eight million, twenty-seven thousand, two hundred seventy-three".