128032132 has 6 divisors (see below), whose sum is σ = 224056238. Its totient is φ = 64016064.

The previous prime is 128032097. The next prime is 128032141. The reversal of 128032132 is 231230821.

It can be written as a sum of positive squares in only one way, i.e., 116294656 + 11737476 = 10784^2 + 3426^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16004013 + ... + 16004020.

Almost surely, 2^128032132 is an apocalyptic number.

It is an amenable number.

128032132 is a deficient number, since it is larger than the sum of its proper divisors (96024106).

128032132 is a wasteful number, since it uses less digits than its factorization.

128032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32008037 (or 32008035 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 128032132 is about 11315.1284570702. The cubic root of 128032132 is about 504.0105870372.

Adding to 128032132 its reverse (231230821), we get a palindrome (359262953).

It can be divided in two parts, 128032 and 132, that added together give a square (128164 = 358²).

The spelling of 128032132 in words is "one hundred twenty-eight million, thirty-two thousand, one hundred thirty-two".