1248942384 has 120 divisors (see below), whose sum is σ = 3638116352. Its totient is φ = 399530880.

The previous prime is 1248942367. The next prime is 1248942407. The reversal of 1248942384 is 4832498421.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565827 + ... + 568029.

Almost surely, 2^1248942384 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 1248942384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819058176).

1248942384 is an abundant number, since it is smaller than the sum of its proper divisors (2389173968).

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

1248942384 is a wasteful number, since it uses less digits than its factorization.

1248942384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2366 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1248942384 is about 35340.3789453367. The cubic root of 1248942384 is about 1076.9134506790.

The spelling of 1248942384 in words is "one billion, two hundred forty-eight million, nine hundred forty-two thousand, three hundred eighty-four".