1288366096 has 20 divisors (see below), whose sum is σ = 2509149052. Its totient is φ = 640843776.

The previous prime is 1288366081. The next prime is 1288366109. The reversal of 1288366096 is 6906638821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 468116496 + 820249600 = 21636^2 + 28640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205521 + ... + 211696.

Almost surely, 2^1288366096 is an apocalyptic number.

1288366096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1288366096 is a deficient number, since it is larger than the sum of its proper divisors (1220782956).

1288366096 is a wasteful number, since it uses less digits than its factorization.

1288366096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417418 (or 417412 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 1288366096 is about 35893.8169605853. The cubic root of 1288366096 is about 1088.1274405578.

The spelling of 1288366096 in words is "one billion, two hundred eighty-eight million, three hundred sixty-six thousand, ninety-six".