129469032 has 192 divisors, whose sum is σ = 443064960. Its totient is φ = 33454080.

The previous prime is 129469027. The next prime is 129469033. The reversal of 129469032 is 230964921.

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

It is not an unprimeable number, because it can be changed into a prime (129469033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670728 + ... + 670920.

It is an arithmetic number, because the mean of its divisors is an integer number (2307630).

Almost surely, 2^129469032 is an apocalyptic number.

129469032 is a gapful number since it is divisible by the number (12) 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 129469032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221532480).

129469032 is an abundant number, since it is smaller than the sum of its proper divisors (313595928).

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

129469032 is a wasteful number, since it uses less digits than its factorization.

129469032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 129469032 is about 11378.4459395824. The cubic root of 129469032 is about 505.8890746135.

The spelling of 129469032 in words is "one hundred twenty-nine million, four hundred sixty-nine thousand, thirty-two".