129483900 has 576 divisors, whose sum is σ = 559964160. Its totient is φ = 24883200.

The previous prime is 129483889. The next prime is 129483911. The reversal of 129483900 is 9384921.

It is an interprime number because it is at equal distance from previous prime (129483889) and next prime (129483911).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4176885 + ... + 4176915.

It is an arithmetic number, because the mean of its divisors is an integer number (972160).

Almost surely, 2^129483900 is an apocalyptic number.

129483900 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 129483900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279982080).

129483900 is an abundant number, since it is smaller than the sum of its proper divisors (430480260).

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

129483900 is a wasteful number, since it uses less digits than its factorization.

129483900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 129483900 is about 11379.0992613651. The cubic root of 129483900 is about 505.9084390148.

The spelling of 129483900 in words is "one hundred twenty-nine million, four hundred eighty-three thousand, nine hundred".