1288830360 has 64 divisors (see below), whose sum is σ = 3909967200. Its totient is φ = 339823616.

The previous prime is 1288830343. The next prime is 1288830407. The reversal of 1288830360 is 630388821.

It is a super-2 number, since 2×1288830360² = 3322167393715459200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49659 + ... + 71018.

Almost surely, 2^1288830360 is an apocalyptic number.

1288830360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1288830360 is an abundant number, since it is smaller than the sum of its proper divisors (2621136840).

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

1288830360 is a wasteful number, since it uses less digits than its factorization.

1288830360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120780 (or 120776 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1288830360 is about 35900.2835643397. The cubic root of 1288830360 is about 1088.2581274620.

The spelling of 1288830360 in words is "one billion, two hundred eighty-eight million, eight hundred thirty thousand, three hundred sixty".