1324420224121 has 2 divisors, whose sum is σ = 1324420224122. Its totient is φ = 1324420224120.

The previous prime is 1324420224107. The next prime is 1324420224139. The reversal of 1324420224121 is 1214220244231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678745299600 + 645674924521 = 823860^2 + 803539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324420224121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1324420224121.

It is not a weakly prime, because it can be changed into another prime (1324420222121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662210112060 + 662210112061.

It is an arithmetic number, because the mean of its divisors is an integer number (662210112061).

Almost surely, 2^{1324420224121} is an apocalyptic number.

It is an amenable number.

1324420224121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324420224121 is an equidigital number, since it uses as much as digits as its factorization.

1324420224121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1324420224121 its reverse (1214220244231), we get a palindrome (2538640468352).

The spelling of 1324420224121 in words is "one trillion, three hundred twenty-four billion, four hundred twenty million, two hundred twenty-four thousand, one hundred twenty-one".