129248 has 24 divisors (see below), whose sum is σ = 291312. Its totient is φ = 55296.

The previous prime is 129229. The next prime is 129263. The reversal of 129248 is 842921.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (12138).

129248 is a Friedman number, since it can be written as (4^8-912)*2, using all its digits and the basic arithmetic operations.

2¹²⁹²⁴⁸ is an apocalyptic number.

It is an amenable number.

129248 is an abundant number, since it is smaller than the sum of its proper divisors (162064).

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

129248 is an equidigital number, since it uses as much as digits as its factorization.

129248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 586 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 129248 is about 359.5107786979. The cubic root of 129248 is about 50.5601022804.

The spelling of 129248 in words is "one hundred twenty-nine thousand, two hundred forty-eight".