8281280120 has 32 divisors (see below), whose sum is σ = 18948697200. Its totient is φ = 3256366848.

The previous prime is 8281280113. The next prime is 8281280143. The reversal of 8281280120 is 210821828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752149 + ... + 1756868.

Almost surely, 2^8281280120 is an apocalyptic number.

It is an amenable number.

8281280120 is an abundant number, since it is smaller than the sum of its proper divisors (10667417080).

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

8281280120 is a wasteful number, since it uses less digits than its factorization.

8281280120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509087 (or 3509083 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 8281280120 is about 91001.5391078634. The cubic root of 8281280120 is about 2023.1705364818.

The spelling of 8281280120 in words is "eight billion, two hundred eighty-one million, two hundred eighty thousand, one hundred twenty".