1287801300140 has 12 divisors (see below), whose sum is σ = 2704382730336. Its totient is φ = 515120520048.

The previous prime is 1287801300131. The next prime is 1287801300157. The reversal of 1287801300140 is 410031087821.

It is a self number, because there is not a number n which added to its sum of digits gives 1287801300140.

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, 32195032484 + ... + 32195032523.

It is an arithmetic number, because the mean of its divisors is an integer number (225365227528).

Almost surely, 2^{1287801300140} is an apocalyptic number.

1287801300140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1287801300140 is an abundant number, since it is smaller than the sum of its proper divisors (1416581430196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1287801300140 is a wasteful number, since it uses less digits than its factorization.

1287801300140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64390065016 (or 64390065014 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

Adding to 1287801300140 its reverse (410031087821), we get a palindrome (1697832387961).

The spelling of 1287801300140 in words is "one trillion, two hundred eighty-seven billion, eight hundred one million, three hundred thousand, one hundred forty".