128726058 has 16 divisors (see below), whose sum is σ = 257620896. Its totient is φ = 42880560.

The previous prime is 128726033. The next prime is 128726063. The reversal of 128726058 is 850627821.

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 7 ways as a sum of consecutive naturals, for example, 4285 + ... + 16607.

It is an arithmetic number, because the mean of its divisors is an integer number (16101306).

Almost surely, 2^128726058 is an apocalyptic number.

128726058 is an abundant number, since it is smaller than the sum of its proper divisors (128894838).

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

128726058 is a wasteful number, since it uses less digits than its factorization.

128726058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 128726058 is about 11345.7506582861. The cubic root of 128726058 is about 504.9195153242.

The spelling of 128726058 in words is "one hundred twenty-eight million, seven hundred twenty-six thousand, fifty-eight".