128572420886068 has 48 divisors (see below), whose sum is σ = 248528817694080. Its totient is φ = 57990057358464.

The previous prime is 128572420886053. The next prime is 128572420886081. The reversal of 128572420886068 is 860688024275821.

It is a super-3 number, since 3×128572420886068³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128572420885994 and 128572420886012.

It is a congruent 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, 560240655 + ... + 560470102.

It is an arithmetic number, because the mean of its divisors is an integer number (5177683701960).

Almost surely, 2^{128572420886068} is an apocalyptic number.

It is an amenable number.

128572420886068 is a deficient number, since it is larger than the sum of its proper divisors (119956396808012).

128572420886068 is a wasteful number, since it uses less digits than its factorization.

128572420886068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120710856 (or 1120710854 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 67.

The spelling of 128572420886068 in words is "one hundred twenty-eight trillion, five hundred seventy-two billion, four hundred twenty million, eight hundred eighty-six thousand, sixty-eight".