1288054408 has 8 divisors (see below), whose sum is σ = 2415102030. Its totient is φ = 644027200.

The previous prime is 1288054363. The next prime is 1288054423. The reversal of 1288054408 is 8044508821.

It can be written as a sum of positive squares in only one way, i.e., 883159524 + 404894884 = 29718^2 + 20122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80503393 + ... + 80503408.

Almost surely, 2^1288054408 is an apocalyptic number.

It is an amenable number.

1288054408 is a deficient number, since it is larger than the sum of its proper divisors (1127047622).

1288054408 is a wasteful number, since it uses less digits than its factorization.

1288054408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161006807 (or 161006803 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 1288054408 is about 35889.4748916726. The cubic root of 1288054408 is about 1088.0396850613.

The spelling of 1288054408 in words is "one billion, two hundred eighty-eight million, fifty-four thousand, four hundred eight".