1123102242 has 24 divisors (see below), whose sum is σ = 2440374300. Its totient is φ = 373292640.

The previous prime is 1123102241. The next prime is 1123102273. The reversal of 1123102242 is 2422013211.

It is a happy number.

1123102242 is a `hidden beast` number, since 112 + 310 + 2 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1107491841 + 15610401 = 33279^2 + 3951^2 .

It is a super-2 number, since 2×1123102242² = 2522717291970853128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1123102241) 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 11 ways as a sum of consecutive naturals, for example, 83109 + ... + 95672.

Almost surely, 2^1123102242 is an apocalyptic number.

1123102242 is an abundant number, since it is smaller than the sum of its proper divisors (1317272058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123102242 is a wasteful number, since it uses less digits than its factorization.

1123102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179138 (or 179135 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1123102242 is about 33512.7176158544. The cubic root of 1123102242 is about 1039.4567681971.

Adding to 1123102242 its reverse (2422013211), we get a palindrome (3545115453).

The spelling of 1123102242 in words is "one billion, one hundred twenty-three million, one hundred two thousand, two hundred forty-two".