128060463 has 4 divisors (see below), whose sum is σ = 170747288. Its totient is φ = 85373640.

The previous prime is 128060453. The next prime is 128060509. The reversal of 128060463 is 364060821.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 128060463 - 2⁴ = 128060447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128060463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128060453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21343408 + ... + 21343413.

It is an arithmetic number, because the mean of its divisors is an integer number (42686822).

Almost surely, 2^128060463 is an apocalyptic number.

128060463 is a deficient number, since it is larger than the sum of its proper divisors (42686825).

128060463 is an equidigital number, since it uses as much as digits as its factorization.

128060463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42686824.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 128060463 is about 11316.3802958367. The cubic root of 128060463 is about 504.0477601817.

The spelling of 128060463 in words is "one hundred twenty-eight million, sixty thousand, four hundred sixty-three".