128560084 has 6 divisors (see below), whose sum is σ = 224980154. Its totient is φ = 64280040.

The previous prime is 128560073. The next prime is 128560093. The reversal of 128560084 is 480065821.

It can be written as a sum of positive squares in only one way, i.e., 121484484 + 7075600 = 11022^2 + 2660^2 .

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, 16070007 + ... + 16070014.

Almost surely, 2^128560084 is an apocalyptic number.

It is an amenable number.

128560084 is a deficient number, since it is larger than the sum of its proper divisors (96420070).

128560084 is a wasteful number, since it uses less digits than its factorization.

128560084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32140025 (or 32140023 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 128560084 is about 11338.4339306626. The cubic root of 128560084 is about 504.7024146161.

The spelling of 128560084 in words is "one hundred twenty-eight million, five hundred sixty thousand, eighty-four".