1122647369 has 4 divisors (see below), whose sum is σ = 1122718080. Its totient is φ = 1122576660.

The previous prime is 1122647359. The next prime is 1122647399. The reversal of 1122647369 is 9637462211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9637462211 = 13 ⋅741343247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122647369 is a prime.

It is a super-2 number, since 2×1122647369² = 2520674230245244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122647329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752 + ... + 47390.

It is an arithmetic number, because the mean of its divisors is an integer number (280679520).

Almost surely, 2^1122647369 is an apocalyptic number.

It is an amenable number.

1122647369 is a deficient number, since it is larger than the sum of its proper divisors (70711).

1122647369 is an equidigital number, since it uses as much as digits as its factorization.

1122647369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70710.

The product of its digits is 108864, while the sum is 41.

The square root of 1122647369 is about 33505.9303556848. The cubic root of 1122647369 is about 1039.3164174649.

The spelling of 1122647369 in words is "one billion, one hundred twenty-two million, six hundred forty-seven thousand, three hundred sixty-nine".