1288242954251 has 8 divisors (see below), whose sum is σ = 1406481150000. Its totient is φ = 1170192291840.

The previous prime is 1288242954203. The next prime is 1288242954259. The reversal of 1288242954251 is 1524592428821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1288242954251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1288242954193 and 1288242954202.

It is not an unprimeable number, because it can be changed into a prime (1288242954259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46868966 + ... + 46896443.

It is an arithmetic number, because the mean of its divisors is an integer number (175810143750).

Almost surely, 2^{1288242954251} is an apocalyptic number.

1288242954251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1288242954251 is a deficient number, since it is larger than the sum of its proper divisors (118238195749).

1288242954251 is a wasteful number, since it uses less digits than its factorization.

1288242954251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93766669.

The product of its digits is 3686400, while the sum is 53.

The spelling of 1288242954251 in words is "one trillion, two hundred eighty-eight billion, two hundred forty-two million, nine hundred fifty-four thousand, two hundred fifty-one".