1280850996 has 12 divisors (see below), whose sum is σ = 2988652352. Its totient is φ = 426950328.

The previous prime is 1280850973. The next prime is 1280851031. The reversal of 1280850996 is 6990580821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 53368780 + ... + 53368803.

Almost surely, 2^1280850996 is an apocalyptic number.

It is an amenable number.

1280850996 is an abundant number, since it is smaller than the sum of its proper divisors (1707801356).

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

1280850996 is a wasteful number, since it uses less digits than its factorization.

1280850996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106737590 (or 106737588 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 1280850996 is about 35788.9786945646. The cubic root of 1280850996 is about 1086.0076140135.

The spelling of 1280850996 in words is "one billion, two hundred eighty million, eight hundred fifty thousand, nine hundred ninety-six".