128057683 has 16 divisors (see below), whose sum is σ = 143168256. Its totient is φ = 113742720.

The previous prime is 128057653. The next prime is 128057687. The reversal of 128057683 is 386750821.

It is a de Polignac number, because none of the positive numbers 2^k-128057683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128057687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78585 + ... + 80197.

It is an arithmetic number, because the mean of its divisors is an integer number (8948016).

Almost surely, 2^128057683 is an apocalyptic number.

128057683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128057683 is a deficient number, since it is larger than the sum of its proper divisors (15110573).

128057683 is a wasteful number, since it uses less digits than its factorization.

128057683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 128057683 is about 11316.2574643740. The cubic root of 128057683 is about 504.0441127825.

The spelling of 128057683 in words is "one hundred twenty-eight million, fifty-seven thousand, six hundred eighty-three".