129883104 has 144 divisors (see below), whose sum is σ = 402594192. Its totient is φ = 39481344.

The previous prime is 129883099. The next prime is 129883157. The reversal of 129883104 is 401388921.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422919 + ... + 423225.

It is an arithmetic number, because the mean of its divisors is an integer number (2795793).

Almost surely, 2^129883104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129883104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201297096).

129883104 is an abundant number, since it is smaller than the sum of its proper divisors (272711088).

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

129883104 is a wasteful number, since it uses less digits than its factorization.

129883104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 129883104 is about 11396.6268693855. The cubic root of 129883104 is about 506.4278175535.

The spelling of 129883104 in words is "one hundred twenty-nine million, eight hundred eighty-three thousand, one hundred four".