1124444021 has 2 divisors, whose sum is σ = 1124444022. Its totient is φ = 1124444020.

The previous prime is 1124444017. The next prime is 1124444029. The reversal of 1124444021 is 1204444211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892216900 + 232227121 = 29870^2 + 15239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124444021 - 2² = 1124444017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124444029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562222010 + 562222011.

It is an arithmetic number, because the mean of its divisors is an integer number (562222011).

Almost surely, 2^1124444021 is an apocalyptic number.

It is an amenable number.

1124444021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124444021 is an equidigital number, since it uses as much as digits as its factorization.

1124444021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1124444021 is about 33532.7305926613. The cubic root of 1124444021 is about 1039.8705524906.

Adding to 1124444021 its reverse (1204444211), we get a palindrome (2328888232).

The spelling of 1124444021 in words is "one billion, one hundred twenty-four million, four hundred forty-four thousand, twenty-one".