1123544 has 8 divisors (see below), whose sum is σ = 2106660. Its totient is φ = 561768.

The previous prime is 1123541. The next prime is 1123553. The reversal of 1123544 is 4453211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1123544² = 2524702239872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70214 + ... + 70229.

2^1123544 is an apocalyptic number.

It is an amenable number.

1123544 is a deficient number, since it is larger than the sum of its proper divisors (983116).

1123544 is a wasteful number, since it uses less digits than its factorization.

1123544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140449 (or 140445 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 1123544 is about 1059.9735845765. The cubic root of 1123544 is about 103.9593036037.

Adding to 1123544 its reverse (4453211), we get a palindrome (5576755).

The spelling of 1123544 in words is "one million, one hundred twenty-three thousand, five hundred forty-four".