128276652 has 48 divisors (see below), whose sum is σ = 342632192. Its totient is φ = 36590400.

The previous prime is 128276651. The next prime is 128276671. The reversal of 128276652 is 256672821.

It is a self number, because there is not a number n which added to its sum of digits gives 128276652.

It is not an unprimeable number, because it can be changed into a prime (128276651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87558 + ... + 89010.

Almost surely, 2^128276652 is an apocalyptic number.

128276652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128276652 is an abundant number, since it is smaller than the sum of its proper divisors (214355540).

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

128276652 is a wasteful number, since it uses less digits than its factorization.

128276652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 128276652 is about 11325.9283063244. The cubic root of 128276652 is about 504.3312416874.

The spelling of 128276652 in words is "one hundred twenty-eight million, two hundred seventy-six thousand, six hundred fifty-two".