124421124213329 has 2 divisors, whose sum is σ = 124421124213330. Its totient is φ = 124421124213328.

The previous prime is 124421124213301. The next prime is 124421124213341. The reversal of 124421124213329 is 923312421124421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113678777100625 + 10742347112704 = 10662025^2 + 3277552^2 .

It is a cyclic number.

It is not a de Polignac number, because 124421124213329 - 2⁸ = 124421124213073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124421124215329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62210562106664 + 62210562106665.

It is an arithmetic number, because the mean of its divisors is an integer number (62210562106665).

Almost surely, 2^{124421124213329} is an apocalyptic number.

It is an amenable number.

124421124213329 is a deficient number, since it is larger than the sum of its proper divisors (1).

124421124213329 is an equidigital number, since it uses as much as digits as its factorization.

124421124213329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The spelling of 124421124213329 in words is "one hundred twenty-four trillion, four hundred twenty-one billion, one hundred twenty-four million, two hundred thirteen thousand, three hundred twenty-nine".