1044421117 has 2 divisors, whose sum is σ = 1044421118. Its totient is φ = 1044421116.

The previous prime is 1044421111. The next prime is 1044421177. The reversal of 1044421117 is 7111244401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896044356 + 148376761 = 29934^2 + 12181^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044421117 - 2⁷ = 1044420989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044421091 and 1044421100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044421111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522210558 + 522210559.

It is an arithmetic number, because the mean of its divisors is an integer number (522210559).

Almost surely, 2^1044421117 is an apocalyptic number.

It is an amenable number.

1044421117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044421117 is an equidigital number, since it uses as much as digits as its factorization.

1044421117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1044421117 is about 32317.5048077663. The cubic root of 1044421117 is about 1014.5930461082.

Adding to 1044421117 its reverse (7111244401), we get a palindrome (8155665518).

The spelling of 1044421117 in words is "one billion, forty-four million, four hundred twenty-one thousand, one hundred seventeen".