1244421034121 has 4 divisors (see below), whose sum is σ = 1244429418132. Its totient is φ = 1244412650112.

The previous prime is 1244421034091. The next prime is 1244421034141. The reversal of 1244421034121 is 1214301244421.

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 586357747600 + 658063286521 = 765740^2 + 811211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244421034121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244421034141) 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, 3965276 + ... + 4267581.

It is an arithmetic number, because the mean of its divisors is an integer number (311107354533).

Almost surely, 2^{1244421034121} is an apocalyptic number.

It is an amenable number.

1244421034121 is a deficient number, since it is larger than the sum of its proper divisors (8384011).

1244421034121 is an equidigital number, since it uses as much as digits as its factorization.

1244421034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384010.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1244421034121 its reverse (1214301244421), we get a palindrome (2458722278542).

The spelling of 1244421034121 in words is "one trillion, two hundred forty-four billion, four hundred twenty-one million, thirty-four thousand, one hundred twenty-one".