121635341743 has 8 divisors (see below), whose sum is σ = 121764667248. Its totient is φ = 121506088704.

The previous prime is 121635341719. The next prime is 121635341759. The reversal of 121635341743 is 347143536121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121635341743 - 2¹³ = 121635333551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121635341696 and 121635341705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121635341143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743455 + ... + 3775807.

It is an arithmetic number, because the mean of its divisors is an integer number (15220583406).

Almost surely, 2^121635341743 is an apocalyptic number.

121635341743 is a deficient number, since it is larger than the sum of its proper divisors (129325505).

121635341743 is a wasteful number, since it uses less digits than its factorization.

121635341743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36233.

The product of its digits is 181440, while the sum is 40.

Adding to 121635341743 its reverse (347143536121), we get a palindrome (468778877864).

The spelling of 121635341743 in words is "one hundred twenty-one billion, six hundred thirty-five million, three hundred forty-one thousand, seven hundred forty-three".