128443036 has 6 divisors (see below), whose sum is σ = 224775320. Its totient is φ = 64221516.

The previous prime is 128442997. The next prime is 128443039. The reversal of 128443036 is 630344821.

It is a super-2 number, since 2×128443036² = 32995226993794592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128442989 and 128443007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128443039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055376 + ... + 16055383.

Almost surely, 2^128443036 is an apocalyptic number.

It is an amenable number.

128443036 is a deficient number, since it is larger than the sum of its proper divisors (96332284).

128443036 is a wasteful number, since it uses less digits than its factorization.

128443036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32110763 (or 32110761 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 128443036 is about 11333.2711959081. The cubic root of 128443036 is about 504.5491987199.

Adding to 128443036 its reverse (630344821), we get a palindrome (758787857).

The spelling of 128443036 in words is "one hundred twenty-eight million, four hundred forty-three thousand, thirty-six".