1288803056 has 10 divisors (see below), whose sum is σ = 2497055952. Its totient is φ = 644401520.

The previous prime is 1288803049. The next prime is 1288803071. The reversal of 1288803056 is 6503088821.

It is a super-2 number, since 2×1288803056² = 3322026634309878272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40275080 + ... + 40275111.

Almost surely, 2^1288803056 is an apocalyptic number.

1288803056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1288803056 is a deficient number, since it is larger than the sum of its proper divisors (1208252896).

1288803056 is an equidigital number, since it uses as much as digits as its factorization.

1288803056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80550199 (or 80550193 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1288803056 is about 35899.9032867778. The cubic root of 1288803056 is about 1088.2504424553.

The spelling of 1288803056 in words is "one billion, two hundred eighty-eight million, eight hundred three thousand, fifty-six".