120128448 has 112 divisors (see below), whose sum is σ = 361956096. Its totient is φ = 34805760.

The previous prime is 120128447. The next prime is 120128453. The reversal of 120128448 is 844821021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120128447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47340 + ... + 49812.

Almost surely, 2^120128448 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 120128448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180978048).

120128448 is an abundant number, since it is smaller than the sum of its proper divisors (241827648).

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

120128448 is a wasteful number, since it uses less digits than its factorization.

120128448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 120128448 is about 10960.3124043067. The cubic root of 120128448 is about 493.4183410042.

Adding to 120128448 its reverse (844821021), we get a palindrome (964949469).

The spelling of 120128448 in words is "one hundred twenty million, one hundred twenty-eight thousand, four hundred forty-eight".