129448 has 16 divisors (see below), whose sum is σ = 264960. Its totient is φ = 58800.

The previous prime is 129443. The next prime is 129449. The reversal of 129448 is 844921.

It is not an unprimeable number, because it can be changed into a prime (129443) by changing a digit.

129448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (16560).

2¹²⁹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

129448 is an abundant number, since it is smaller than the sum of its proper divisors (135512).

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

129448 is a wasteful number, since it uses less digits than its factorization.

129448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1484 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 129448 is about 359.7888269527. The cubic root of 129448 is about 50.5861679555.

The spelling of 129448 in words is "one hundred twenty-nine thousand, four hundred forty-eight".