1223069609 has 2 divisors, whose sum is σ = 1223069610. Its totient is φ = 1223069608.

The previous prime is 1223069569. The next prime is 1223069621. The reversal of 1223069609 is 9069603221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044259225 + 178810384 = 32315^2 + 13372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223069609 - 2¹² = 1223065513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223069909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611534804 + 611534805.

It is an arithmetic number, because the mean of its divisors is an integer number (611534805).

Almost surely, 2^1223069609 is an apocalyptic number.

It is an amenable number.

1223069609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223069609 is an equidigital number, since it uses as much as digits as its factorization.

1223069609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1223069609 is about 34972.4121129784. The cubic root of 1223069609 is about 1069.4251458416.

The spelling of 1223069609 in words is "one billion, two hundred twenty-three million, sixty-nine thousand, six hundred nine".