1123122163647 has 16 divisors (see below), whose sum is σ = 1634066088192. Its totient is φ = 680499328320.

The previous prime is 1123122163619. The next prime is 1123122163663. The reversal of 1123122163647 is 7463612213211.

It is not a de Polignac number, because 1123122163647 - 2¹⁴ = 1123122147263 is a prime.

It is a super-2 number, since 2×1123122163647² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123122123647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393078 + ... + 4641699.

It is an arithmetic number, because the mean of its divisors is an integer number (102129130512).

Almost surely, 2^{1123122163647} is an apocalyptic number.

1123122163647 is a deficient number, since it is larger than the sum of its proper divisors (510943924545).

1123122163647 is a wasteful number, since it uses less digits than its factorization.

1123122163647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038558.

The product of its digits is 72576, while the sum is 39.

Adding to 1123122163647 its reverse (7463612213211), we get a palindrome (8586734376858).

The spelling of 1123122163647 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, one hundred sixty-three thousand, six hundred forty-seven".