128349248 has 28 divisors (see below), whose sum is σ = 256714752. Its totient is φ = 63665280.

The previous prime is 128349241. The next prime is 128349253. The reversal of 128349248 is 842943821.

128349248 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (128349241) 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, 233 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (9168384).

Almost surely, 2^128349248 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 128349248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128357376).

128349248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128349248 is a wasteful number, since it uses less digits than its factorization.

128349248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930 (or 15920 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 128349248 is about 11329.1327117304. The cubic root of 128349248 is about 504.4263629889.

The spelling of 128349248 in words is "one hundred twenty-eight million, three hundred forty-nine thousand, two hundred forty-eight".