1123122123 has 12 divisors (see below), whose sum is σ = 1622580960. Its totient is φ = 748612656.

The previous prime is 1123122109. The next prime is 1123122127. The reversal of 1123122123 is 3212213211.

It is not a de Polignac number, because 1123122123 - 2¹² = 1123118027 is a prime.

It is a super-3 number, since 3×1123122123³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1123122096 and 1123122105.

It is not an unprimeable number, because it can be changed into a prime (1123122127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80665 + ... + 93557.

It is an arithmetic number, because the mean of its divisors is an integer number (135215080).

Almost surely, 2^1123122123 is an apocalyptic number.

1123122123 is a deficient number, since it is larger than the sum of its proper divisors (499458837).

1123122123 is a wasteful number, since it uses less digits than its factorization.

1123122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578 (or 22575 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1123122123 is about 33513.0142332796. The cubic root of 1123122123 is about 1039.4629016007.

Adding to 1123122123 its reverse (3212213211), we get a palindrome (4335335334).

The spelling of 1123122123 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred twenty-three".