129480 has 64 divisors (see below), whose sum is σ = 423360. Its totient is φ = 31488.

The previous prime is 129469. The next prime is 129491. The reversal of 129480 is 84921.

129480 = T₁₂ + T₁₃ + ... + T₉₁.

It is an interprime number because it is at equal distance from previous prime (129469) and next prime (129491).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 129480.

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, 1519 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (6615).

2¹²⁹⁴⁸⁰ is an apocalyptic number.

129480 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 129480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211680).

129480 is an abundant number, since it is smaller than the sum of its proper divisors (293880).

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

129480 is a wasteful number, since it uses less digits than its factorization.

129480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 129480 is about 359.8332947352. The cubic root of 129480 is about 50.5903359715.

The spelling of 129480 in words is "one hundred twenty-nine thousand, four hundred eighty".