128604703752 has 448 divisors, whose sum is σ = 430080984960. Its totient is φ = 35271936000.

The previous prime is 128604703751. The next prime is 128604703781. The reversal of 128604703752 is 257307406821.

128604703752 is a `hidden beast` number, since 1 + 2 + 8 + 604 + 7 + 0 + 37 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 128604703698 and 128604703707.

It is not an unprimeable number, because it can be changed into a prime (128604703751) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 107080752 + ... + 107081952.

Almost surely, 2^128604703752 is an apocalyptic number.

128604703752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128604703752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215040492480).

128604703752 is an abundant number, since it is smaller than the sum of its proper divisors (301476281208).

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

128604703752 is a wasteful number, since it uses less digits than its factorization.

128604703752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 128604703752 in words is "one hundred twenty-eight billion, six hundred four million, seven hundred three thousand, seven hundred fifty-two".