1287588101260 has 48 divisors (see below), whose sum is σ = 2794842681120. Its totient is φ = 498005706240.

The previous prime is 1287588101249. The next prime is 1287588101309. The reversal of 1287588101260 is 621018857821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8872089 + ... + 9016048.

It is an arithmetic number, because the mean of its divisors is an integer number (58225889190).

Almost surely, 2^{1287588101260} is an apocalyptic number.

1287588101260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1287588101260 is an abundant number, since it is smaller than the sum of its proper divisors (1507254579860).

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

1287588101260 is a wasteful number, since it uses less digits than its factorization.

1287588101260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17888266 (or 17888264 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 1287588101260 in words is "one trillion, two hundred eighty-seven billion, five hundred eighty-eight million, one hundred one thousand, two hundred sixty".