128042125488 has 80 divisors (see below), whose sum is σ = 367808601600. Its totient is φ = 42648160320.

The previous prime is 128042125481. The next prime is 128042125493. The reversal of 128042125488 is 884521240821.

It is a happy number.

128042125488 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 42 + 125 + 488 = 666.

It is not an unprimeable number, because it can be changed into a prime (128042125481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457453 + ... + 682163.

It is an arithmetic number, because the mean of its divisors is an integer number (4597607520).

Almost surely, 2^128042125488 is an apocalyptic number.

128042125488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128042125488 is an abundant number, since it is smaller than the sum of its proper divisors (239766476112).

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

128042125488 is a wasteful number, since it uses less digits than its factorization.

128042125488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226047 (or 226035 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The spelling of 128042125488 in words is "one hundred twenty-eight billion, forty-two million, one hundred twenty-five thousand, four hundred eighty-eight".