128250808 has 32 divisors (see below), whose sum is σ = 276363360. Its totient is φ = 54656640.

The previous prime is 128250803. The next prime is 128250821. The reversal of 128250808 is 808052821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128250803) 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, 3810 + ... + 16462.

It is an arithmetic number, because the mean of its divisors is an integer number (8636355).

Almost surely, 2^128250808 is an apocalyptic number.

It is an amenable number.

128250808 is an abundant number, since it is smaller than the sum of its proper divisors (148112552).

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

128250808 is a wasteful number, since it uses less digits than its factorization.

128250808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12847 (or 12843 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 128250808 is about 11324.7873269214. The cubic root of 128250808 is about 504.2973700726.

The spelling of 128250808 in words is "one hundred twenty-eight million, two hundred fifty thousand, eight hundred eight".