128986108 has 6 divisors (see below), whose sum is σ = 225725696. Its totient is φ = 64493052.

The previous prime is 128986087. The next prime is 128986127. The reversal of 128986108 is 801689821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16123260 + ... + 16123267.

Almost surely, 2^128986108 is an apocalyptic number.

It is an amenable number.

128986108 is a deficient number, since it is larger than the sum of its proper divisors (96739588).

128986108 is a wasteful number, since it uses less digits than its factorization.

128986108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32246531 (or 32246529 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 128986108 is about 11357.2051139354. The cubic root of 128986108 is about 505.2592963071.

The spelling of 128986108 in words is "one hundred twenty-eight million, nine hundred eighty-six thousand, one hundred eight".