1109227939 has 2 divisors, whose sum is σ = 1109227940. Its totient is φ = 1109227938.

The previous prime is 1109227913. The next prime is 1109227943. The reversal of 1109227939 is 9397229011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109227939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109227895 and 1109227904.

It is not a weakly prime, because it can be changed into another prime (1109227949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554613969 + 554613970.

It is an arithmetic number, because the mean of its divisors is an integer number (554613970).

Almost surely, 2^1109227939 is an apocalyptic number.

1109227939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109227939 is an equidigital number, since it uses as much as digits as its factorization.

1109227939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1109227939 is about 33305.0737726251. The cubic root of 1109227939 is about 1035.1586924010.

The spelling of 1109227939 in words is "one billion, one hundred nine million, two hundred twenty-seven thousand, nine hundred thirty-nine".