1288102657 has 16 divisors (see below), whose sum is σ = 1358038080. Its totient is φ = 1219982400.

The previous prime is 1288102639. The next prime is 1288102667. The reversal of 1288102657 is 7562018821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1288102657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288102667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867838 + ... + 869320.

It is an arithmetic number, because the mean of its divisors is an integer number (84877380).

Almost surely, 2^1288102657 is an apocalyptic number.

It is an amenable number.

1288102657 is a deficient number, since it is larger than the sum of its proper divisors (69935423).

1288102657 is a wasteful number, since it uses less digits than its factorization.

1288102657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1288102657 is about 35890.1470740926. The cubic root of 1288102657 is about 1088.0532704530.

The spelling of 1288102657 in words is "one billion, two hundred eighty-eight million, one hundred two thousand, six hundred fifty-seven".