1248387336 has 128 divisors (see below), whose sum is σ = 4008096000. Its totient is φ = 352636416.

The previous prime is 1248387293. The next prime is 1248387347. The reversal of 1248387336 is 6337838421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1248387291 and 1248387300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129930 + ... + 139206.

It is an arithmetic number, because the mean of its divisors is an integer number (31313250).

Almost surely, 2^1248387336 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 1248387336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004048000).

1248387336 is an abundant number, since it is smaller than the sum of its proper divisors (2759708664).

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

1248387336 is a wasteful number, since it uses less digits than its factorization.

1248387336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9388 (or 9378 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1248387336 is about 35332.5251857265. The cubic root of 1248387336 is about 1076.7538950864.

The spelling of 1248387336 in words is "one billion, two hundred forty-eight million, three hundred eighty-seven thousand, three hundred thirty-six".