128036 has 6 divisors (see below), whose sum is σ = 224070. Its totient is φ = 64016.

The previous prime is 128033. The next prime is 128047. The reversal of 128036 is 630821.

It can be written as a sum of positive squares in only one way, i.e., 65536 + 62500 = 256^2 + 250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127999 and 128017.

It is not an unprimeable number, because it can be changed into a prime (128033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (37345).

2¹²⁸⁰³⁶ is an apocalyptic number.

It is an amenable number.

128036 is a deficient number, since it is larger than the sum of its proper divisors (96034).

128036 is a wasteful number, since it uses less digits than its factorization.

128036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32013 (or 32011 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 128036 is about 357.8211843924. The cubic root of 128036 is about 50.4015662569.

Adding to 128036 its reverse (630821), we get a palindrome (758857).

The spelling of 128036 in words is "one hundred twenty-eight thousand, thirty-six".