128425608 has 32 divisors (see below), whose sum is σ = 356738400. Its totient is φ = 42808464.

The previous prime is 128425607. The next prime is 128425663. The reversal of 128425608 is 806524821.

128425608 is a `hidden beast` number, since 1 + 2 + 8 + 42 + 5 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (128425603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297066 + ... + 297497.

It is an arithmetic number, because the mean of its divisors is an integer number (11148075).

Almost surely, 2^128425608 is an apocalyptic number.

128425608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128425608 is an abundant number, since it is smaller than the sum of its proper divisors (228312792).

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

128425608 is a wasteful number, since it uses less digits than its factorization.

128425608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594578 (or 594568 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 128425608 is about 11332.5022832559. The cubic root of 128425608 is about 504.5263774977.

The spelling of 128425608 in words is "one hundred twenty-eight million, four hundred twenty-five thousand, six hundred eight".