1135143 has 6 divisors (see below), whose sum is σ = 1639664. Its totient is φ = 756756.

The previous prime is 1135133. The next prime is 1135159. The reversal of 1135143 is 3415311.

It is not a de Polignac number, because 1135143 - 2⁵ = 1135111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63055 + ... + 63072.

2^1135143 is an apocalyptic number.

1135143 is a deficient number, since it is larger than the sum of its proper divisors (504521).

1135143 is a wasteful number, since it uses less digits than its factorization.

1135143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126133 (or 126130 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1135143 is about 1065.4308987447. The cubic root of 1135143 is about 104.3158237234.

The spelling of 1135143 in words is "one million, one hundred thirty-five thousand, one hundred forty-three".