128063456 has 24 divisors (see below), whose sum is σ = 252869400. Its totient is φ = 63842688.

The previous prime is 128063393. The next prime is 128063479. The reversal of 128063456 is 654360821.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5435 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (10536225).

Almost surely, 2^128063456 is an apocalyptic number.

128063456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128063456 is a deficient number, since it is larger than the sum of its proper divisors (124805944).

128063456 is a wasteful number, since it uses less digits than its factorization.

128063456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826 (or 11818 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 128063456 is about 11316.5125369965. The cubic root of 128063456 is about 504.0516869810.

The spelling of 128063456 in words is "one hundred twenty-eight million, sixty-three thousand, four hundred fifty-six".