121441617623 has 8 divisors (see below), whose sum is σ = 126803368080. Its totient is φ = 116158141120.

The previous prime is 121441617581. The next prime is 121441617631. The reversal of 121441617623 is 326716144121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121441617623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121441616623) 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, 19565318 + ... + 19571523.

It is an arithmetic number, because the mean of its divisors is an integer number (15850421010).

Almost surely, 2^121441617623 is an apocalyptic number.

121441617623 is a deficient number, since it is larger than the sum of its proper divisors (5361750457).

121441617623 is a wasteful number, since it uses less digits than its factorization.

121441617623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39136977.

The product of its digits is 48384, while the sum is 38.

The spelling of 121441617623 in words is "one hundred twenty-one billion, four hundred forty-one million, six hundred seventeen thousand, six hundred twenty-three".