128066601 has 16 divisors (see below), whose sum is σ = 186413696. Its totient is φ = 77728896.

The previous prime is 128066591. The next prime is 128066621. The reversal of 128066601 is 106660821.

It is not a de Polignac number, because 128066601 - 2⁵ = 128066569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128066621) 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, 19645 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (11650856).

Almost surely, 2^128066601 is an apocalyptic number.

It is an amenable number.

128066601 is a deficient number, since it is larger than the sum of its proper divisors (58347095).

128066601 is a wasteful number, since it uses less digits than its factorization.

128066601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45072.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 128066601 is about 11316.6514923806. The cubic root of 128066601 is about 504.0558131375.

The spelling of 128066601 in words is "one hundred twenty-eight million, sixty-six thousand, six hundred one".