1126143 has 10 divisors (see below), whose sum is σ = 1682384. Its totient is φ = 750708.

The previous prime is 1126093. The next prime is 1126159. The reversal of 1126143 is 3416211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1126143 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 (1126043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6871 + ... + 7032.

2^1126143 is an apocalyptic number.

1126143 is a deficient number, since it is larger than the sum of its proper divisors (556241).

1126143 is an equidigital number, since it uses as much as digits as its factorization.

1126143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13906 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1126143 is about 1061.1988503575. The cubic root of 1126143 is about 104.0394019833.

The spelling of 1126143 in words is "one million, one hundred twenty-six thousand, one hundred forty-three".