1123124342 has 4 divisors (see below), whose sum is σ = 1684686516. Its totient is φ = 561562170.

The previous prime is 1123124341. The next prime is 1123124351. The reversal of 1123124342 is 2434213211.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1123124342² = 2522816575185865928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123124341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280781084 + ... + 280781087.

It is an arithmetic number, because the mean of its divisors is an integer number (421171629).

Almost surely, 2^1123124342 is an apocalyptic number.

1123124342 is a deficient number, since it is larger than the sum of its proper divisors (561562174).

1123124342 is an equidigital number, since it uses as much as digits as its factorization.

1123124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561562173.

The product of its digits is 1152, while the sum is 23.

The square root of 1123124342 is about 33513.0473398048. The cubic root of 1123124342 is about 1039.4635861705.

Adding to 1123124342 its reverse (2434213211), we get a palindrome (3557337553).

The spelling of 1123124342 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, three hundred forty-two".