121563132683 has 4 divisors (see below), whose sum is σ = 121569774648. Its totient is φ = 121556490720.

The previous prime is 121563132641. The next prime is 121563132707. The reversal of 121563132683 is 386231365121.

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 121563132683 - 2²⁰ = 121562084107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121563132683.

It is not an unprimeable number, because it can be changed into a prime (121563132623) 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 3 ways as a sum of consecutive naturals, for example, 3293453 + ... + 3330158.

It is an arithmetic number, because the mean of its divisors is an integer number (30392443662).

Almost surely, 2^121563132683 is an apocalyptic number.

121563132683 is a deficient number, since it is larger than the sum of its proper divisors (6641965).

121563132683 is an equidigital number, since it uses as much as digits as its factorization.

121563132683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641964.

The product of its digits is 155520, while the sum is 41.

The spelling of 121563132683 in words is "one hundred twenty-one billion, five hundred sixty-three million, one hundred thirty-two thousand, six hundred eighty-three".