1361364122243 has 4 divisors (see below), whose sum is σ = 1364522740128. Its totient is φ = 1358205504360.

The previous prime is 1361364122203. The next prime is 1361364122273. The reversal of 1361364122243 is 3422214631631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361364122243 - 2²⁶ = 1361297013379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361364122197 and 1361364122206.

It is not an unprimeable number, because it can be changed into a prime (1361364122203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579308296 + ... + 1579309157.

It is an arithmetic number, because the mean of its divisors is an integer number (341130685032).

Almost surely, 2^{1361364122243} is an apocalyptic number.

1361364122243 is a deficient number, since it is larger than the sum of its proper divisors (3158617885).

1361364122243 is an equidigital number, since it uses as much as digits as its factorization.

1361364122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158617884.

The product of its digits is 124416, while the sum is 38.

Adding to 1361364122243 its reverse (3422214631631), we get a palindrome (4783578753874).

The spelling of 1361364122243 in words is "one trillion, three hundred sixty-one billion, three hundred sixty-four million, one hundred twenty-two thousand, two hundred forty-three".