128234708 has 24 divisors (see below), whose sum is σ = 258052032. Its totient is φ = 54618624.

The previous prime is 128234707. The next prime is 128234731. The reversal of 128234708 is 807432821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128234707) 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, 9485 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (10752168).

Almost surely, 2^128234708 is an apocalyptic number.

It is an amenable number.

128234708 is an abundant number, since it is smaller than the sum of its proper divisors (129817324).

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

128234708 is a wasteful number, since it uses less digits than its factorization.

128234708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28271 (or 28269 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 128234708 is about 11324.0764744857. The cubic root of 128234708 is about 504.2762668205.

The spelling of 128234708 in words is "one hundred twenty-eight million, two hundred thirty-four thousand, seven hundred eight".