128980652 has 12 divisors (see below), whose sum is σ = 226662240. Its totient is φ = 64220016.

The previous prime is 128980639. The next prime is 128980673. The reversal of 128980652 is 256089821.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66503 + ... + 68414.

It is an arithmetic number, because the mean of its divisors is an integer number (18888520).

Almost surely, 2^128980652 is an apocalyptic number.

It is an amenable number.

128980652 is a deficient number, since it is larger than the sum of its proper divisors (97681588).

128980652 is a wasteful number, since it uses less digits than its factorization.

128980652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135160 (or 135158 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 128980652 is about 11356.9649114541. The cubic root of 128980652 is about 505.2521721973.

The spelling of 128980652 in words is "one hundred twenty-eight million, nine hundred eighty thousand, six hundred fifty-two".