129510480 has 80 divisors (see below), whose sum is σ = 437989824. Its totient is φ = 31395840.

The previous prime is 129510473. The next prime is 129510497. The reversal of 129510480 is 84015921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21889 + ... + 27168.

Almost surely, 2^129510480 is an apocalyptic number.

129510480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129510480 is an abundant number, since it is smaller than the sum of its proper divisors (308479344).

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

129510480 is a wasteful number, since it uses less digits than its factorization.

129510480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084 (or 49078 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 129510480 is about 11380.2671321898. The cubic root of 129510480 is about 505.9430536819.

The spelling of 129510480 in words is "one hundred twenty-nine million, five hundred ten thousand, four hundred eighty".