128085282 has 24 divisors (see below), whose sum is σ = 298866204. Its totient is φ = 39410784.

The previous prime is 128085281. The next prime is 128085311. The reversal of 128085282 is 282580821.

It is a happy number.

128085282 is a `hidden beast` number, since 128 + 0 + 8 + 528 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126765081 + 1320201 = 11259^2 + 1149^2 .

It is not an unprimeable number, because it can be changed into a prime (128085281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273453 + ... + 273920.

Almost surely, 2^128085282 is an apocalyptic number.

128085282 is an abundant number, since it is smaller than the sum of its proper divisors (170780922).

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

128085282 is a wasteful number, since it uses less digits than its factorization.

128085282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547394 (or 547391 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 128085282 is about 11317.4768389425. The cubic root of 128085282 is about 504.0803207212.

The spelling of 128085282 in words is "one hundred twenty-eight million, eighty-five thousand, two hundred eighty-two".