128201382 has 48 divisors (see below), whose sum is σ = 287780688. Its totient is φ = 41221440.

The previous prime is 128201377. The next prime is 128201389. The reversal of 128201382 is 283102821.

128201382 is a `hidden beast` number, since 1 + 282 + 0 + 1 + 382 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128201389) 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 23 ways as a sum of consecutive naturals, for example, 57093 + ... + 59295.

It is an arithmetic number, because the mean of its divisors is an integer number (5995431).

Almost surely, 2^128201382 is an apocalyptic number.

128201382 is an abundant number, since it is smaller than the sum of its proper divisors (159579306).

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

128201382 is a wasteful number, since it uses less digits than its factorization.

128201382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 128201382 is about 11322.6049122982. The cubic root of 128201382 is about 504.2325787863.

The spelling of 128201382 in words is "one hundred twenty-eight million, two hundred one thousand, three hundred eighty-two".