129303480 has 64 divisors (see below), whose sum is σ = 400435200. Its totient is φ = 33367680.

The previous prime is 129303467. The next prime is 129303509. The reversal of 129303480 is 84303921.

It is a super-2 number, since 2×129303480² = 33438779880220800, which contains 22 as substring.

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

It is a nialpdrome in base 15.

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, 13660 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (6256800).

Almost surely, 2^129303480 is an apocalyptic number.

129303480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129303480 is an abundant number, since it is smaller than the sum of its proper divisors (271131720).

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

129303480 is a wasteful number, since it uses less digits than its factorization.

129303480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34804 (or 34800 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 129303480 is about 11371.1688053603. The cubic root of 129303480 is about 505.6733559210.

The spelling of 129303480 in words is "one hundred twenty-nine million, three hundred three thousand, four hundred eighty".