1287825007904 has 24 divisors (see below), whose sum is σ = 2645640506880. Its totient is φ = 615916307776.

The previous prime is 1287825007879. The next prime is 1287825007907. The reversal of 1287825007904 is 4097005287821.

It is not an unprimeable number, because it can be changed into a prime (1287825007907) 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 3 ways as a sum of consecutive naturals, for example, 874880384 + ... + 874881855.

It is an arithmetic number, because the mean of its divisors is an integer number (110235021120).

Almost surely, 2^{1287825007904} is an apocalyptic number.

It is an amenable number.

1287825007904 is an abundant number, since it is smaller than the sum of its proper divisors (1357815498976).

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

1287825007904 is a wasteful number, since it uses less digits than its factorization.

1287825007904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749762272 (or 1749762264 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 1287825007904 in words is "one trillion, two hundred eighty-seven billion, eight hundred twenty-five million, seven thousand, nine hundred four".