121624123 has 2 divisors, whose sum is σ = 121624124. Its totient is φ = 121624122.

The previous prime is 121624121. The next prime is 121624127. The reversal of 121624123 is 321426121.

It is a weak prime.

It is an emirp because it is prime and its reverse (321426121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121624123 - 2¹ = 121624121 is a prime.

Together with 121624121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 121624094 and 121624103.

It is not a weakly prime, because it can be changed into another prime (121624121) 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, 60812061 + 60812062.

It is an arithmetic number, because the mean of its divisors is an integer number (60812062).

Almost surely, 2^121624123 is an apocalyptic number.

121624123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121624123 is an equidigital number, since it uses as much as digits as its factorization.

121624123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 121624123 is about 11028.3327389048. The cubic root of 121624123 is about 495.4576904744.

The spelling of 121624123 in words is "one hundred twenty-one million, six hundred twenty-four thousand, one hundred twenty-three".