1123144 has 16 divisors (see below), whose sum is σ = 2297520. Its totient is φ = 510480.

The previous prime is 1123127. The next prime is 1123151. The reversal of 1123144 is 4413211.

1123144 is nontrivially palindromic in base 7.

It is a super-2 number, since 2×1123144² = 2522904889472, which contains 22 as substring.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (143595).

2^1123144 is an apocalyptic number.

It is an amenable number.

1123144 is an abundant number, since it is smaller than the sum of its proper divisors (1174376).

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

1123144 is a wasteful number, since it uses less digits than its factorization.

1123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780 (or 12776 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 1123144 is about 1059.7848838326. The cubic root of 1123144 is about 103.9469650698.

Adding to 1123144 its reverse (4413211), we get a palindrome (5536355).

The spelling of 1123144 in words is "one million, one hundred twenty-three thousand, one hundred forty-four".