1123535 has 16 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 752928.

The previous prime is 1123531. The next prime is 1123541. The reversal of 1123535 is 5353211.

1123535 = T₄₉ + T₅₀ + ... + T₁₈₉.

It is a cyclic number.

It is not a de Polignac number, because 1123535 - 2² = 1123531 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 1304 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2^1123535 is an apocalyptic number.

1123535 is a deficient number, since it is larger than the sum of its proper divisors (452401).

1123535 is an equidigital number, since it uses as much as digits as its factorization.

1123535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 450, while the sum is 20.

The square root of 1123535 is about 1059.9693391792. The cubic root of 1123535 is about 103.9590260189.

Adding to 1123535 its reverse (5353211), we get a palindrome (6476746).

The spelling of 1123535 in words is "one million, one hundred twenty-three thousand, five hundred thirty-five".