1143117 has 12 divisors (see below), whose sum is σ = 1663740. Its totient is φ = 756288.

The previous prime is 1143113. The next prime is 1143143. The reversal of 1143117 is 7113411.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 447561 = 834^2 + 669^2 .

It is not a de Polignac number, because 1143117 - 2² = 1143113 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (138645).

2^1143117 is an apocalyptic number.

It is an amenable number.

1143117 is a deficient number, since it is larger than the sum of its proper divisors (520623).

1143117 is a wasteful number, since it uses less digits than its factorization.

1143117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 969 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 1143117 is about 1069.1664977916. The cubic root of 1143117 is about 104.5595152538.

Adding to 1143117 its reverse (7113411), we get a palindrome (8256528).

The spelling of 1143117 in words is "one million, one hundred forty-three thousand, one hundred seventeen".