1123442242 has 8 divisors (see below), whose sum is σ = 1814791356. Its totient is φ = 518511792.

The previous prime is 1123442239. The next prime is 1123442261. The reversal of 1123442242 is 2422443211.

It can be written as a sum of positive squares in 2 ways, for example, as 794056041 + 329386201 = 28179^2 + 18149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123442242² = 2524244942219973128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21604633 + ... + 21604684.

Almost surely, 2^1123442242 is an apocalyptic number.

1123442242 is a deficient number, since it is larger than the sum of its proper divisors (691349114).

1123442242 is a wasteful number, since it uses less digits than its factorization.

1123442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43209332.

The product of its digits is 3072, while the sum is 25.

The square root of 1123442242 is about 33517.7899331087. The cubic root of 1123442242 is about 1039.5616502017.

Adding to 1123442242 its reverse (2422443211), we get a palindrome (3545885453).

The spelling of 1123442242 in words is "one billion, one hundred twenty-three million, four hundred forty-two thousand, two hundred forty-two".