1260817061187 has 8 divisors (see below), whose sum is σ = 1681147960000. Its totient is φ = 840515434920.

The previous prime is 1260817061111. The next prime is 1260817061219. The reversal of 1260817061187 is 7811607180621.

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

It is not a de Polignac number, because 1260817061187 - 2⁸ = 1260817060931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260817051187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7217437 + ... + 7390062.

It is an arithmetic number, because the mean of its divisors is an integer number (210143495000).

Almost surely, 2^{1260817061187} is an apocalyptic number.

1260817061187 is a deficient number, since it is larger than the sum of its proper divisors (420330898813).

1260817061187 is a wasteful number, since it uses less digits than its factorization.

1260817061187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14636273.

The product of its (nonzero) digits is 225792, while the sum is 48.

The spelling of 1260817061187 in words is "one trillion, two hundred sixty billion, eight hundred seventeen million, sixty-one thousand, one hundred eighty-seven".