1123444442 has 8 divisors (see below), whose sum is σ = 1712792532. Its totient is φ = 552513600.

The previous prime is 1123444423. The next prime is 1123444451. The reversal of 1123444442 is 2444443211.

It can be written as a sum of positive squares in 2 ways, for example, as 1122853081 + 591361 = 33509^2 + 769^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4604159 + ... + 4604402.

Almost surely, 2^1123444442 is an apocalyptic number.

1123444442 is a deficient number, since it is larger than the sum of its proper divisors (589348090).

1123444442 is an equidigital number, since it uses as much as digits as its factorization.

1123444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208624.

The product of its digits is 12288, while the sum is 29.

The square root of 1123444442 is about 33517.8227514855. The cubic root of 1123444442 is about 1039.5623287811.

Adding to 1123444442 its reverse (2444443211), we get a palindrome (3567887653).

The spelling of 1123444442 in words is "one billion, one hundred twenty-three million, four hundred forty-four thousand, four hundred forty-two".