128228082 has 48 divisors (see below), whose sum is σ = 278389440. Its totient is φ = 39253984.

The previous prime is 128228071. The next prime is 128228101. The reversal of 128228082 is 280822821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716269 + ... + 716447.

It is an arithmetic number, because the mean of its divisors is an integer number (5799780).

Almost surely, 2^128228082 is an apocalyptic number.

128228082 is an abundant number, since it is smaller than the sum of its proper divisors (150161358).

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

128228082 is a wasteful number, since it uses less digits than its factorization.

128228082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 128228082 is about 11323.7839082173. The cubic root of 128228082 is about 504.2675812050.

The spelling of 128228082 in words is "one hundred twenty-eight million, two hundred twenty-eight thousand, eighty-two".