1044120073 has 2 divisors, whose sum is σ = 1044120074. Its totient is φ = 1044120072.

The previous prime is 1044120071. The next prime is 1044120137. The reversal of 1044120073 is 3700214401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719687929 + 324432144 = 26827^2 + 18012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044120073 - 2¹ = 1044120071 is a prime.

Together with 1044120071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1044120071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522060036 + 522060037.

It is an arithmetic number, because the mean of its divisors is an integer number (522060037).

Almost surely, 2^1044120073 is an apocalyptic number.

It is an amenable number.

1044120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044120073 is an equidigital number, since it uses as much as digits as its factorization.

1044120073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1044120073 is about 32312.8468724128. The cubic root of 1044120073 is about 1014.4955546222.

Adding to 1044120073 its reverse (3700214401), we get a palindrome (4744334474).

The spelling of 1044120073 in words is "one billion, forty-four million, one hundred twenty thousand, seventy-three".