128032288 has 12 divisors (see below), whose sum is σ = 252063630. Its totient is φ = 64016128.

The previous prime is 128032271. The next prime is 128032319. The reversal of 128032288 is 882230821.

It can be written as a sum of positive squares in only one way, i.e., 85155984 + 42876304 = 9228^2 + 6548^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000473 + ... + 2000536.

Almost surely, 2^128032288 is an apocalyptic number.

It is an amenable number.

128032288 is a deficient number, since it is larger than the sum of its proper divisors (124031342).

128032288 is an equidigital number, since it uses as much as digits as its factorization.

128032288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001019 (or 4001011 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 128032288 is about 11315.1353504940. The cubic root of 128032288 is about 504.0107917400.

The spelling of 128032288 in words is "one hundred twenty-eight million, thirty-two thousand, two hundred eighty-eight".