124341324221 has 4 divisors (see below), whose sum is σ = 124361330652. Its totient is φ = 124321317792.

The previous prime is 124341324181. The next prime is 124341324253. The reversal of 124341324221 is 122423143421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81046118596 + 43295205625 = 284686^2 + 208075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124341324221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124341320221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9993890 + ... + 10006323.

It is an arithmetic number, because the mean of its divisors is an integer number (31090332663).

Almost surely, 2^124341324221 is an apocalyptic number.

It is an amenable number.

124341324221 is a deficient number, since it is larger than the sum of its proper divisors (20006431).

124341324221 is an equidigital number, since it uses as much as digits as its factorization.

124341324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006430.

The product of its digits is 9216, while the sum is 29.

Adding to 124341324221 its reverse (122423143421), we get a palindrome (246764467642).

The spelling of 124341324221 in words is "one hundred twenty-four billion, three hundred forty-one million, three hundred twenty-four thousand, two hundred twenty-one".