1288242954206 has 24 divisors (see below), whose sum is σ = 2114013578544. Its totient is φ = 588444030720.

The previous prime is 1288242954203. The next prime is 1288242954259. The reversal of 1288242954206 is 6024592428821.

It is a happy number.

It is a super-2 number, since 2×1288242954206² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288242954203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19613450 + ... + 19679021.

It is an arithmetic number, because the mean of its divisors is an integer number (88083899106).

Almost surely, 2^{1288242954206} is an apocalyptic number.

1288242954206 is a deficient number, since it is larger than the sum of its proper divisors (825770624338).

1288242954206 is a wasteful number, since it uses less digits than its factorization.

1288242954206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39292596 (or 39292583 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 1288242954206 in words is "one trillion, two hundred eighty-eight billion, two hundred forty-two million, nine hundred fifty-four thousand, two hundred six".