1123442 has 8 divisors (see below), whose sum is σ = 1698816. Its totient is φ = 557172.

The previous prime is 1123439. The next prime is 1123477. The reversal of 1123442 is 2443211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1123442.

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, 1958 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (212352).

2^1123442 is an apocalyptic number.

1123442 is a deficient number, since it is larger than the sum of its proper divisors (575374).

1123442 is a wasteful number, since it uses less digits than its factorization.

1123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552.

The product of its digits is 192, while the sum is 17.

The square root of 1123442 is about 1059.9254690779. The cubic root of 1123442 is about 103.9561575558.

Adding to 1123442 its reverse (2443211), we get a palindrome (3566653).

The spelling of 1123442 in words is "one million, one hundred twenty-three thousand, four hundred forty-two".