1280803048 has 16 divisors (see below), whose sum is σ = 2744578080. Its totient is φ = 548915568.

The previous prime is 1280803003. The next prime is 1280803081. The reversal of 1280803048 is 8403080821.

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 3 ways as a sum of consecutive naturals, for example, 11435686 + ... + 11435797.

It is an arithmetic number, because the mean of its divisors is an integer number (171536130).

Almost surely, 2^1280803048 is an apocalyptic number.

It is an amenable number.

1280803048 is an abundant number, since it is smaller than the sum of its proper divisors (1463775032).

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

1280803048 is a wasteful number, since it uses less digits than its factorization.

1280803048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22871496 (or 22871492 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1280803048 is about 35788.3088172660. The cubic root of 1280803048 is about 1085.9940624651.

Adding to 1280803048 its reverse (8403080821), we get a palindrome (9683883869).

The spelling of 1280803048 in words is "one billion, two hundred eighty million, eight hundred three thousand, forty-eight".