128758048 has 24 divisors (see below), whose sum is σ = 264515328. Its totient is φ = 61579584.

The previous prime is 128758037. The next prime is 128758073. The reversal of 128758048 is 840857821.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 128757995 and 128758013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86736 + ... + 88207.

It is an arithmetic number, because the mean of its divisors is an integer number (11021472).

Almost surely, 2^128758048 is an apocalyptic number.

It is an amenable number.

128758048 is an abundant number, since it is smaller than the sum of its proper divisors (135757280).

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

128758048 is a wasteful number, since it uses less digits than its factorization.

128758048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174976 (or 174968 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 128758048 is about 11347.1603496205. The cubic root of 128758048 is about 504.9613380852.

The spelling of 128758048 in words is "one hundred twenty-eight million, seven hundred fifty-eight thousand, forty-eight".