1241686685102 has 4 divisors (see below), whose sum is σ = 1862530027656. Its totient is φ = 620843342550.

The previous prime is 1241686685087. The next prime is 1241686685123. The reversal of 1241686685102 is 2015866861421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 310421671274 + ... + 310421671277.

It is an arithmetic number, because the mean of its divisors is an integer number (465632506914).

Almost surely, 2^{1241686685102} is an apocalyptic number.

1241686685102 is a deficient number, since it is larger than the sum of its proper divisors (620843342554).

1241686685102 is an equidigital number, since it uses as much as digits as its factorization.

1241686685102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620843342553.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 1241686685102 in words is "one trillion, two hundred forty-one billion, six hundred eighty-six million, six hundred eighty-five thousand, one hundred two".