1420413244121 has 2 divisors, whose sum is σ = 1420413244122. Its totient is φ = 1420413244120.

The previous prime is 1420413244051. The next prime is 1420413244127. The reversal of 1420413244121 is 1214423140241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162084000000 + 258329244121 = 1078000^2 + 508261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420413244121 - 2¹⁰ = 1420413243097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420413244127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710206622060 + 710206622061.

It is an arithmetic number, because the mean of its divisors is an integer number (710206622061).

Almost surely, 2^{1420413244121} is an apocalyptic number.

It is an amenable number.

1420413244121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420413244121 is an equidigital number, since it uses as much as digits as its factorization.

1420413244121 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 29.

Adding to 1420413244121 its reverse (1214423140241), we get a palindrome (2634836384362).

The spelling of 1420413244121 in words is "one trillion, four hundred twenty billion, four hundred thirteen million, two hundred forty-four thousand, one hundred twenty-one".