129288848 has 40 divisors (see below), whose sum is σ = 278482176. Its totient is φ = 57744000.

The previous prime is 129288847. The next prime is 129288853. The reversal of 129288848 is 848882921.

It is a happy number.

129288848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 129288796 and 129288805.

It is not an unprimeable number, because it can be changed into a prime (129288847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578 + ... + 16473.

Almost surely, 2^129288848 is an apocalyptic number.

It is an amenable number.

129288848 is an abundant number, since it is smaller than the sum of its proper divisors (149193328).

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

129288848 is a wasteful number, since it uses less digits than its factorization.

129288848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103 (or 20097 counting only the distinct ones).

The product of its digits is 589824, while the sum is 50.

The square root of 129288848 is about 11370.5254056266. The cubic root of 129288848 is about 505.6542811788.

The spelling of 129288848 in words is "one hundred twenty-nine million, two hundred eighty-eight thousand, eight hundred forty-eight".