128603841 has 16 divisors (see below), whose sum is σ = 181125120. Its totient is φ = 81038160.

The previous prime is 128603809. The next prime is 128603873. The reversal of 128603841 is 148306821.

It is an interprime number because it is at equal distance from previous prime (128603809) and next prime (128603873).

It is not a de Polignac number, because 128603841 - 2⁵ = 128603809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128603341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12081 + ... + 20078.

It is an arithmetic number, because the mean of its divisors is an integer number (11320320).

Almost surely, 2^128603841 is an apocalyptic number.

It is an amenable number.

128603841 is a deficient number, since it is larger than the sum of its proper divisors (52521279).

128603841 is a wasteful number, since it uses less digits than its factorization.

128603841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32236.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 128603841 is about 11340.3633539671. The cubic root of 128603841 is about 504.7596686714.

The spelling of 128603841 in words is "one hundred twenty-eight million, six hundred three thousand, eight hundred forty-one".