1122250009 has 2 divisors, whose sum is σ = 1122250010. Its totient is φ = 1122250008.

The previous prime is 1122249979. The next prime is 1122250013. The reversal of 1122250009 is 9000522211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122250000 + 9 = 33500^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122250009 - 2⁷ = 1122249881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122250049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561125004 + 561125005.

It is an arithmetic number, because the mean of its divisors is an integer number (561125005).

Almost surely, 2^1122250009 is an apocalyptic number.

It is an amenable number.

1122250009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122250009 is an equidigital number, since it uses as much as digits as its factorization.

1122250009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1122250009 is about 33500.0001343284. Note that the first 3 decimals coincide. The cubic root of 1122250009 is about 1039.1937812992.

The spelling of 1122250009 in words is "one billion, one hundred twenty-two million, two hundred fifty thousand, nine".