128578063 has 2 divisors, whose sum is σ = 128578064. Its totient is φ = 128578062.

The previous prime is 128578019. The next prime is 128578081. The reversal of 128578063 is 360875821.

It is a strong prime.

It is an emirp because it is prime and its reverse (360875821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128578063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128573063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64289031 + 64289032.

It is an arithmetic number, because the mean of its divisors is an integer number (64289032).

Almost surely, 2^128578063 is an apocalyptic number.

128578063 is a deficient number, since it is larger than the sum of its proper divisors (1).

128578063 is an equidigital number, since it uses as much as digits as its factorization.

128578063 is an evil number, because the sum of its binary digits is even.

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

The square root of 128578063 is about 11339.2267373044. The cubic root of 128578063 is about 504.7259408965.

The spelling of 128578063 in words is "one hundred twenty-eight million, five hundred seventy-eight thousand, sixty-three".