128755041 has 16 divisors (see below), whose sum is σ = 178234560. Its totient is φ = 82577600.

The previous prime is 128755037. The next prime is 128755049. The reversal of 128755041 is 140557821.

It is a cyclic number.

It is not a de Polignac number, because 128755041 - 2² = 128755037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128754993 and 128755011.

It is not an unprimeable number, because it can be changed into a prime (128755049) 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, 22966 + ... + 28016.

It is an arithmetic number, because the mean of its divisors is an integer number (11139660).

Almost surely, 2^128755041 is an apocalyptic number.

It is an amenable number.

128755041 is a deficient number, since it is larger than the sum of its proper divisors (49479519).

128755041 is a wasteful number, since it uses less digits than its factorization.

128755041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 128755041 is about 11347.0278487364. The cubic root of 128755041 is about 504.9574071191.

The spelling of 128755041 in words is "one hundred twenty-eight million, seven hundred fifty-five thousand, forty-one".