121547300983 has 2 divisors, whose sum is σ = 121547300984. Its totient is φ = 121547300982.

The previous prime is 121547300947. The next prime is 121547300999. The reversal of 121547300983 is 389003745121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121547300983 - 2²⁵ = 121513746551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121547300933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60773650491 + 60773650492.

It is an arithmetic number, because the mean of its divisors is an integer number (60773650492).

Almost surely, 2^121547300983 is an apocalyptic number.

121547300983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121547300983 is an equidigital number, since it uses as much as digits as its factorization.

121547300983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

It can be divided in two parts, 12154 and 7300983, that added together give a palindrome (7313137).

The spelling of 121547300983 in words is "one hundred twenty-one billion, five hundred forty-seven million, three hundred thousand, nine hundred eighty-three".