128227652 has 12 divisors (see below), whose sum is σ = 256455360. Its totient is φ = 54954696.

The previous prime is 128227643. The next prime is 128227657. The reversal of 128227652 is 256722821.

128227652 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (128227657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289752 + ... + 2289807.

It is an arithmetic number, because the mean of its divisors is an integer number (21371280).

Almost surely, 2^128227652 is an apocalyptic number.

It is an amenable number.

128227652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128227652 is a wasteful number, since it uses less digits than its factorization.

128227652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579570 (or 4579568 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 128227652 is about 11323.7649216151. The cubic root of 128227652 is about 504.2670175341.

The spelling of 128227652 in words is "one hundred twenty-eight million, two hundred twenty-seven thousand, six hundred fifty-two".