129760848 has 240 divisors, whose sum is σ = 450328320. Its totient is φ = 34062336.

The previous prime is 129760831. The next prime is 129760849. The reversal of 129760848 is 848067921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129760849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 672240 + ... + 672432.

It is an arithmetic number, because the mean of its divisors is an integer number (1876368).

Almost surely, 2^129760848 is an apocalyptic number.

129760848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129760848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225164160).

129760848 is an abundant number, since it is smaller than the sum of its proper divisors (320567472).

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

129760848 is a wasteful number, since it uses less digits than its factorization.

129760848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 129760848 is about 11391.2619142920. The cubic root of 129760848 is about 506.2688713587.

The spelling of 129760848 in words is "one hundred twenty-nine million, seven hundred sixty thousand, eight hundred forty-eight".