1044121189 has 2 divisors, whose sum is σ = 1044121190. Its totient is φ = 1044121188.

The previous prime is 1044121103. The next prime is 1044121217. The reversal of 1044121189 is 9811214401.

1044121189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525784900 + 518336289 = 22930^2 + 22767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044121189 - 2¹⁷ = 1043990117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044121189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044121489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522060594 + 522060595.

It is an arithmetic number, because the mean of its divisors is an integer number (522060595).

Almost surely, 2^1044121189 is an apocalyptic number.

It is an amenable number.

1044121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044121189 is an equidigital number, since it uses as much as digits as its factorization.

1044121189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1044121189 is about 32312.8641410816. The cubic root of 1044121189 is about 1014.4959160674.

The spelling of 1044121189 in words is "one billion, forty-four million, one hundred twenty-one thousand, one hundred eighty-nine".