128084812 has 6 divisors (see below), whose sum is σ = 224148428. Its totient is φ = 64042404.

The previous prime is 128084809. The next prime is 128084813. The reversal of 128084812 is 218480821.

It is not an unprimeable number, because it can be changed into a prime (128084813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010598 + ... + 16010605.

Almost surely, 2^128084812 is an apocalyptic number.

It is an amenable number.

128084812 is a deficient number, since it is larger than the sum of its proper divisors (96063616).

128084812 is a wasteful number, since it uses less digits than its factorization.

128084812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32021207 (or 32021205 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 128084812 is about 11317.4560745779. The cubic root of 128084812 is about 504.0797041579.

The spelling of 128084812 in words is "one hundred twenty-eight million, eighty-four thousand, eight hundred twelve".