1248332928 has 64 divisors (see below), whose sum is σ = 3330724320. Its totient is φ = 414248960.

The previous prime is 1248332887. The next prime is 1248332947. The reversal of 1248332928 is 8292338421.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1248332928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80008 + ... + 94328.

Almost surely, 2^1248332928 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 1248332928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665362160).

1248332928 is an abundant number, since it is smaller than the sum of its proper divisors (2082391392).

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

1248332928 is a wasteful number, since it uses less digits than its factorization.

1248332928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14565 (or 14553 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1248332928 is about 35331.7552351988. The cubic root of 1248332928 is about 1076.7382522712.

The spelling of 1248332928 in words is "one billion, two hundred forty-eight million, three hundred thirty-two thousand, nine hundred twenty-eight".