128063756 has 6 divisors (see below), whose sum is σ = 224111580. Its totient is φ = 64031876.

The previous prime is 128063753. The next prime is 128063777. The reversal of 128063756 is 657360821.

It is not an unprimeable number, because it can be changed into a prime (128063753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16007966 + ... + 16007973.

It is an arithmetic number, because the mean of its divisors is an integer number (37351930).

Almost surely, 2^128063756 is an apocalyptic number.

It is an amenable number.

128063756 is a deficient number, since it is larger than the sum of its proper divisors (96047824).

128063756 is a wasteful number, since it uses less digits than its factorization.

128063756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32015943 (or 32015941 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 128063756 is about 11316.5257919558. The cubic root of 128063756 is about 504.0520805759.

The spelling of 128063756 in words is "one hundred twenty-eight million, sixty-three thousand, seven hundred fifty-six".