128248932 has 48 divisors (see below), whose sum is σ = 342582912. Its totient is φ = 36579840.

The previous prime is 128248907. The next prime is 128248937. The reversal of 128248932 is 239842821.

It is not an unprimeable number, because it can be changed into a prime (128248937) 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, 73138 + ... + 74870.

It is an arithmetic number, because the mean of its divisors is an integer number (7137144).

Almost surely, 2^128248932 is an apocalyptic number.

128248932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128248932 is an abundant number, since it is smaller than the sum of its proper divisors (214333980).

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

128248932 is a wasteful number, since it uses less digits than its factorization.

128248932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 128248932 is about 11324.7044994560. The cubic root of 128248932 is about 504.2949111759.

The spelling of 128248932 in words is "one hundred twenty-eight million, two hundred forty-eight thousand, nine hundred thirty-two".