128860382 has 8 divisors (see below), whose sum is σ = 220903536. Its totient is φ = 55225872.

The previous prime is 128860351. The next prime is 128860387. The reversal of 128860382 is 283068821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128860387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4602143 + ... + 4602170.

It is an arithmetic number, because the mean of its divisors is an integer number (27612942).

Almost surely, 2^128860382 is an apocalyptic number.

128860382 is a deficient number, since it is larger than the sum of its proper divisors (92043154).

128860382 is an equidigital number, since it uses as much as digits as its factorization.

128860382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204322.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 128860382 is about 11351.6686879066. The cubic root of 128860382 is about 505.0950799637.

The spelling of 128860382 in words is "one hundred twenty-eight million, eight hundred sixty thousand, three hundred eighty-two".