124210110120989 has 2 divisors, whose sum is σ = 124210110120990. Its totient is φ = 124210110120988.

The previous prime is 124210110120983. The next prime is 124210110121003. The reversal of 124210110120989 is 989021011012421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114076647564889 + 10133462556100 = 10680667^2 + 3183310^2 .

It is an emirp because it is prime and its reverse (989021011012421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124210110120989 - 2⁴ = 124210110120973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124210110120983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62105055060494 + 62105055060495.

It is an arithmetic number, because the mean of its divisors is an integer number (62105055060495).

Almost surely, 2^{124210110120989} is an apocalyptic number.

It is an amenable number.

124210110120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

124210110120989 is an equidigital number, since it uses as much as digits as its factorization.

124210110120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 124210110120989 in words is "one hundred twenty-four trillion, two hundred ten billion, one hundred ten million, one hundred twenty thousand, nine hundred eighty-nine".