1224054109 has 2 divisors, whose sum is σ = 1224054110. Its totient is φ = 1224054108.

The previous prime is 1224054101. The next prime is 1224054137. The reversal of 1224054109 is 9014504221.

It is an a-pointer prime, because the next prime (1224054137) can be obtained adding 1224054109 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621106084 + 602948025 = 24922^2 + 24555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224054109 - 2³ = 1224054101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224054101) 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, 612027054 + 612027055.

It is an arithmetic number, because the mean of its divisors is an integer number (612027055).

Almost surely, 2^1224054109 is an apocalyptic number.

It is an amenable number.

1224054109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224054109 is an equidigital number, since it uses as much as digits as its factorization.

1224054109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1224054109 is about 34986.4846619377. The cubic root of 1224054109 is about 1069.7120105958.

The spelling of 1224054109 in words is "one billion, two hundred twenty-four million, fifty-four thousand, one hundred nine".