128079488 has 16 divisors (see below), whose sum is σ = 255158610. Its totient is φ = 64039680.

The previous prime is 128079487. The next prime is 128079491. The reversal of 128079488 is 884970821.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 45050944 = 9112^2 + 6712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (128079487) 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 as a sum of consecutive naturals, namely, 500183 + ... + 500438.

Almost surely, 2^128079488 is an apocalyptic number.

It is an amenable number.

128079488 is a deficient number, since it is larger than the sum of its proper divisors (127079122).

128079488 is an equidigital number, since it uses as much as digits as its factorization.

128079488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000635 (or 1000623 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 128079488 is about 11317.2208602642. The cubic root of 128079488 is about 504.0727198338.

The spelling of 128079488 in words is "one hundred twenty-eight million, seventy-nine thousand, four hundred eighty-eight".