124110435121 has 2 divisors, whose sum is σ = 124110435122. Its totient is φ = 124110435120.

The previous prime is 124110435083. The next prime is 124110435157. The reversal of 124110435121 is 121534011421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123801941025 + 308494096 = 351855^2 + 17564^2 .

It is a cyclic number.

It is not a de Polignac number, because 124110435121 - 2¹⁹ = 124109910833 is a prime.

It is not a weakly prime, because it can be changed into another prime (124110435521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62055217560 + 62055217561.

It is an arithmetic number, because the mean of its divisors is an integer number (62055217561).

Almost surely, 2^124110435121 is an apocalyptic number.

It is an amenable number.

124110435121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124110435121 is an equidigital number, since it uses as much as digits as its factorization.

124110435121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 124110435121 its reverse (121534011421), we get a palindrome (245644446542).

The spelling of 124110435121 in words is "one hundred twenty-four billion, one hundred ten million, four hundred thirty-five thousand, one hundred twenty-one".