1280124488 has 16 divisors (see below), whose sum is σ = 2403717360. Its totient is φ = 639133200.

The previous prime is 1280124481. The next prime is 1280124523. The reversal of 1280124488 is 8844210821.

It is not an unprimeable number, because it can be changed into a prime (1280124481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110258 + ... + 121313.

It is an arithmetic number, because the mean of its divisors is an integer number (150232335).

Almost surely, 2^1280124488 is an apocalyptic number.

It is an amenable number.

1280124488 is a deficient number, since it is larger than the sum of its proper divisors (1123592872).

1280124488 is a wasteful number, since it uses less digits than its factorization.

1280124488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232268 (or 232264 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 1280124488 is about 35778.8273703876. The cubic root of 1280124488 is about 1085.8022447074.

The spelling of 1280124488 in words is "one billion, two hundred eighty million, one hundred twenty-four thousand, four hundred eighty-eight".