121552183 has 2 divisors, whose sum is σ = 121552184. Its totient is φ = 121552182.

The previous prime is 121552181. The next prime is 121552241. The reversal of 121552183 is 381255121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121552183 - 2¹ = 121552181 is a prime.

Together with 121552181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121552181) 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, 60776091 + 60776092.

It is an arithmetic number, because the mean of its divisors is an integer number (60776092).

Almost surely, 2^121552183 is an apocalyptic number.

121552183 is a deficient number, since it is larger than the sum of its proper divisors (1).

121552183 is an equidigital number, since it uses as much as digits as its factorization.

121552183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 28.

The square root of 121552183 is about 11025.0706573700. The cubic root of 121552183 is about 495.3599843745.

The spelling of 121552183 in words is "one hundred twenty-one million, five hundred fifty-two thousand, one hundred eighty-three".