1123135 has 16 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 805248.

The previous prime is 1123127. The next prime is 1123151. The reversal of 1123135 is 5313211.

It is a cyclic number.

It is not a de Polignac number, because 1123135 - 2³ = 1123127 is a prime.

It is a super-2 number, since 2×1123135² = 2522864456450, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2^1123135 is an apocalyptic number.

1123135 is a deficient number, since it is larger than the sum of its proper divisors (370721).

1123135 is a wasteful number, since it uses less digits than its factorization.

1123135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its digits is 90, while the sum is 16.

The square root of 1123135 is about 1059.7806376793. The cubic root of 1123135 is about 103.9466874191.

Adding to 1123135 its reverse (5313211), we get a palindrome (6436346).

The spelling of 1123135 in words is "one million, one hundred twenty-three thousand, one hundred thirty-five".