448129 has 4 divisors (see below), whose sum is σ = 488880. Its totient is φ = 407380.

The previous prime is 448121. The next prime is 448139. The reversal of 448129 is 921844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448129 - 2³ = 448121 is a prime.

It is a Duffinian number.

448129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 448097 and 448106.

It is not an unprimeable number, because it can be changed into a prime (448121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20359 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (122220).

2⁴⁴⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

448129 is a deficient number, since it is larger than the sum of its proper divisors (40751).

448129 is a wasteful number, since it uses less digits than its factorization.

448129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40750.

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

The square root of 448129 is about 669.4243795979. The cubic root of 448129 is about 76.5245908955.

The spelling of 448129 in words is "four hundred forty-eight thousand, one hundred twenty-nine".