121500983 has 2 divisors, whose sum is σ = 121500984. Its totient is φ = 121500982.

The previous prime is 121500937. The next prime is 121501013. The reversal of 121500983 is 389005121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121500983 - 2²⁰ = 120452407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121500083) 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 as a sum of consecutive naturals, namely, 60750491 + 60750492.

It is an arithmetic number, because the mean of its divisors is an integer number (60750492).

Almost surely, 2^121500983 is an apocalyptic number.

121500983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121500983 is an equidigital number, since it uses as much as digits as its factorization.

121500983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 121500983 is about 11022.7484322196. The cubic root of 121500983 is about 495.2904230485.

The spelling of 121500983 in words is "one hundred twenty-one million, five hundred thousand, nine hundred eighty-three".