129833424 has 120 divisors (see below), whose sum is σ = 418500992. Its totient is φ = 36806400.

The previous prime is 129833401. The next prime is 129833447. The reversal of 129833424 is 424338921.

It is an interprime number because it is at equal distance from previous prime (129833401) and next prime (129833447).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151782 + ... + 152634.

Almost surely, 2^129833424 is an apocalyptic number.

129833424 is a gapful number since it is divisible by the number (14) 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 129833424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209250496).

129833424 is an abundant number, since it is smaller than the sum of its proper divisors (288667568).

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

129833424 is a wasteful number, since it uses less digits than its factorization.

129833424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1016 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 129833424 is about 11394.4470686383. The cubic root of 129833424 is about 506.3632401459.

The spelling of 129833424 in words is "one hundred twenty-nine million, eight hundred thirty-three thousand, four hundred twenty-four".