128081383 has 8 divisors (see below), whose sum is σ = 139281552. Its totient is φ = 117288576.

The previous prime is 128081377. The next prime is 128081407. The reversal of 128081383 is 383180821.

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

It is not a de Polignac number, because 128081383 - 2⁵ = 128081351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128081333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101185 + ... + 102442.

It is an arithmetic number, because the mean of its divisors is an integer number (17410194).

Almost surely, 2^128081383 is an apocalyptic number.

128081383 is a deficient number, since it is larger than the sum of its proper divisors (11200169).

128081383 is a wasteful number, since it uses less digits than its factorization.

128081383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203681.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 128081383 is about 11317.3045819223. The cubic root of 128081383 is about 504.0752058241.

The spelling of 128081383 in words is "one hundred twenty-eight million, eighty-one thousand, three hundred eighty-three".