1135123 has 8 divisors (see below), whose sum is σ = 1272240. Its totient is φ = 1003680.

The previous prime is 1135111. The next prime is 1135129. The reversal of 1135123 is 3215311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135123 - 2⁵ = 1135091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135097 and 1135106.

It is not an unprimeable number, because it can be changed into a prime (1135129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

2^1135123 is an apocalyptic number.

1135123 is a deficient number, since it is larger than the sum of its proper divisors (137117).

1135123 is a wasteful number, since it uses less digits than its factorization.

1135123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

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

The square root of 1135123 is about 1065.4215128295. The cubic root of 1135123 is about 104.3152110755.

The spelling of 1135123 in words is "one million, one hundred thirty-five thousand, one hundred twenty-three".