128424036 has 24 divisors (see below), whose sum is σ = 322706944. Its totient is φ = 39515040.

The previous prime is 128424017. The next prime is 128424047. The reversal of 128424036 is 630424821.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 128423994 and 128424012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411460 + ... + 411771.

Almost surely, 2^128424036 is an apocalyptic number.

It is an amenable number.

128424036 is an abundant number, since it is smaller than the sum of its proper divisors (194282908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128424036 is a wasteful number, since it uses less digits than its factorization.

128424036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823251 (or 823249 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 128424036 is about 11332.4329250166. The cubic root of 128424036 is about 504.5243189293.

Adding to 128424036 its reverse (630424821), we get a palindrome (758848857).

The spelling of 128424036 in words is "one hundred twenty-eight million, four hundred twenty-four thousand, thirty-six".