1123534 has 4 divisors (see below), whose sum is σ = 1685304. Its totient is φ = 561766.

The previous prime is 1123531. The next prime is 1123541. The reversal of 1123534 is 4353211.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280882 + ... + 280885.

It is an arithmetic number, because the mean of its divisors is an integer number (421326).

2^1123534 is an apocalyptic number.

1123534 is a deficient number, since it is larger than the sum of its proper divisors (561770).

1123534 is an equidigital number, since it uses as much as digits as its factorization.

1123534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561769.

The product of its digits is 360, while the sum is 19.

The square root of 1123534 is about 1059.9688674673. The cubic root of 1123534 is about 103.9589951761.

Adding to 1123534 its reverse (4353211), we get a palindrome (5476745).

The spelling of 1123534 in words is "one million, one hundred twenty-three thousand, five hundred thirty-four".