128460786 has 32 divisors (see below), whose sum is σ = 273255360. Its totient is φ = 40144896.

The previous prime is 128460779. The next prime is 128460793. The reversal of 128460786 is 687064821.

It is an interprime number because it is at equal distance from previous prime (128460779) and next prime (128460793).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (8539230).

Almost surely, 2^128460786 is an apocalyptic number.

128460786 is an abundant number, since it is smaller than the sum of its proper divisors (144794574).

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

128460786 is a wasteful number, since it uses less digits than its factorization.

128460786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 128460786 is about 11334.0542613841. The cubic root of 128460786 is about 504.5724394654.

The spelling of 128460786 in words is "one hundred twenty-eight million, four hundred sixty thousand, seven hundred eighty-six".