124321350121 has 2 divisors, whose sum is σ = 124321350122. Its totient is φ = 124321350120.

The previous prime is 124321350037. The next prime is 124321350143. The reversal of 124321350121 is 121053123421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69653766400 + 54667583721 = 263920^2 + 233811^2 .

It is a cyclic number.

It is not a de Polignac number, because 124321350121 - 2⁹ = 124321349609 is a prime.

It is not a weakly prime, because it can be changed into another prime (124321350151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62160675060 + 62160675061.

It is an arithmetic number, because the mean of its divisors is an integer number (62160675061).

Almost surely, 2^124321350121 is an apocalyptic number.

It is an amenable number.

124321350121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124321350121 is an equidigital number, since it uses as much as digits as its factorization.

124321350121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 124321350121 its reverse (121053123421), we get a palindrome (245374473542).

The spelling of 124321350121 in words is "one hundred twenty-four billion, three hundred twenty-one million, three hundred fifty thousand, one hundred twenty-one".