1444414121 has 2 divisors, whose sum is σ = 1444414122. Its totient is φ = 1444414120.

The previous prime is 1444414109. The next prime is 1444414157. The reversal of 1444414121 is 1214144441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373517721 + 70896400 = 37061^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444414121 - 2¹⁰ = 1444413097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444404121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722207060 + 722207061.

It is an arithmetic number, because the mean of its divisors is an integer number (722207061).

Almost surely, 2^1444414121 is an apocalyptic number.

It is an amenable number.

1444414121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444414121 is an equidigital number, since it uses as much as digits as its factorization.

1444414121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 26.

The square root of 1444414121 is about 38005.4485699090. The cubic root of 1444414121 is about 1130.3959040356.

Adding to 1444414121 its reverse (1214144441), we get a palindrome (2658558562).

The spelling of 1444414121 in words is "one billion, four hundred forty-four million, four hundred fourteen thousand, one hundred twenty-one".