129084 has 24 divisors (see below), whose sum is σ = 311808. Its totient is φ = 41520.

The previous prime is 129083. The next prime is 129089. The reversal of 129084 is 480921.

129084 = T₃₁ + T₃₂ + ... + T₉₂.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (12992).

2¹²⁹⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

129084 is an abundant number, since it is smaller than the sum of its proper divisors (182724).

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

129084 is a wasteful number, since it uses less digits than its factorization.

129084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

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

The square root of 129084 is about 359.2826185609. The cubic root of 129084 is about 50.5387083546.

The spelling of 129084 in words is "one hundred twenty-nine thousand, eighty-four".