129504960 has 224 divisors, whose sum is σ = 492434880. Its totient is φ = 31850496.

The previous prime is 129504901. The next prime is 129505001. The reversal of 129504960 is 69405921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111744 + ... + 112896.

It is an arithmetic number, because the mean of its divisors is an integer number (2198370).

Almost surely, 2^129504960 is an apocalyptic number.

129504960 is a gapful number since it is divisible by the number (10) 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 129504960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246217440).

129504960 is an abundant number, since it is smaller than the sum of its proper divisors (362929920).

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

129504960 is a wasteful number, since it uses less digits than its factorization.

129504960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 129504960 is about 11380.0246045428. The cubic root of 129504960 is about 505.9358654725.

The spelling of 129504960 in words is "one hundred twenty-nine million, five hundred four thousand, nine hundred sixty".