128563607 has 8 divisors (see below), whose sum is σ = 130723200. Its totient is φ = 126421600.

The previous prime is 128563549. The next prime is 128563609. The reversal of 128563607 is 706365821.

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

It is a cyclic number.

It is not a de Polignac number, because 128563607 - 2⁶ = 128563543 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 (128563609) 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, 10778 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (16340400).

Almost surely, 2^128563607 is an apocalyptic number.

128563607 is a deficient number, since it is larger than the sum of its proper divisors (2159593).

128563607 is a wasteful number, since it uses less digits than its factorization.

128563607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 128563607 is about 11338.5892861502. The cubic root of 128563607 is about 504.7070247831.

The spelling of 128563607 in words is "one hundred twenty-eight million, five hundred sixty-three thousand, six hundred seven".