128853750 has 40 divisors (see below), whose sum is σ = 322040664. Its totient is φ = 34360000.

The previous prime is 128853737. The next prime is 128853773. The reversal of 128853750 is 57358821.

It is a junction number, because it is equal to n+sod(n) for n = 128853699 and 128853708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13431 + ... + 20930.

Almost surely, 2^128853750 is an apocalyptic number.

128853750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128853750 is an abundant number, since it is smaller than the sum of its proper divisors (193186914).

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

128853750 is an equidigital number, since it uses as much as digits as its factorization.

128853750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34386 (or 34371 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 128853750 is about 11351.3765685048. The cubic root of 128853750 is about 505.0864146471.

The spelling of 128853750 in words is "one hundred twenty-eight million, eight hundred fifty-three thousand, seven hundred fifty".