1123822609 has 16 divisors (see below), whose sum is σ = 1389128832. Its totient is φ = 885345408.

The previous prime is 1123822603. The next prime is 1123822639. The reversal of 1123822609 is 9062283211.

It is a cyclic number.

It is not a de Polignac number, because 1123822609 - 2¹⁷ = 1123691537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123822603) 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 in 15 ways as a sum of consecutive naturals, for example, 5299 + ... + 47704.

It is an arithmetic number, because the mean of its divisors is an integer number (86820552).

Almost surely, 2^1123822609 is an apocalyptic number.

It is an amenable number.

1123822609 is a deficient number, since it is larger than the sum of its proper divisors (265306223).

1123822609 is a wasteful number, since it uses less digits than its factorization.

1123822609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53256.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1123822609 is about 33523.4635591253. The cubic root of 1123822609 is about 1039.6789594008.

The spelling of 1123822609 in words is "one billion, one hundred twenty-three million, eight hundred twenty-two thousand, six hundred nine".