1153022209 has 2 divisors, whose sum is σ = 1153022210. Its totient is φ = 1153022208.

The previous prime is 1153022197. The next prime is 1153022243. The reversal of 1153022209 is 9022203511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965469184 + 187553025 = 31072^2 + 13695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153022209 - 2¹⁵ = 1152989441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8153022209) 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, 576511104 + 576511105.

It is an arithmetic number, because the mean of its divisors is an integer number (576511105).

Almost surely, 2^1153022209 is an apocalyptic number.

It is an amenable number.

1153022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153022209 is an equidigital number, since it uses as much as digits as its factorization.

1153022209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1153022209 is about 33956.1807186851. The cubic root of 1153022209 is about 1048.6065291485.

The spelling of 1153022209 in words is "one billion, one hundred fifty-three million, twenty-two thousand, two hundred nine".