129048 has 32 divisors (see below), whose sum is σ = 340800. Its totient is φ = 40608.

The previous prime is 129037. The next prime is 129049. The reversal of 129048 is 840921.

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

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 (129049) 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, 315 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (10650).

2¹²⁹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170400).

129048 is an abundant number, since it is smaller than the sum of its proper divisors (211752).

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

129048 is a wasteful number, since it uses less digits than its factorization.

129048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

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

The square root of 129048 is about 359.2325152321. The cubic root of 129048 is about 50.5340097019.

Adding to 129048 its reverse (840921), we get a palindrome (969969).

The spelling of 129048 in words is "one hundred twenty-nine thousand, forty-eight".