1287230884 has 9 divisors (see below), whose sum is σ = 2252779627. Its totient is φ = 643579564.

The previous prime is 1287230873. The next prime is 1287230891. The reversal of 1287230884 is 4880327821.

The square root of 1287230884 is 35878.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1287230884.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62787 + ... + 80725.

Almost surely, 2^1287230884 is an apocalyptic number.

1287230884 is the 35878-th square number.

It is an amenable number.

1287230884 is a deficient number, since it is larger than the sum of its proper divisors (965548743).

1287230884 is an frugal number, since it uses more digits than its factorization.

1287230884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882 (or 17941 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The cubic root of 1287230884 is about 1087.8077544286.

The spelling of 1287230884 in words is "one billion, two hundred eighty-seven million, two hundred thirty thousand, eight hundred eighty-four".