1143046117 has 4 divisors (see below), whose sum is σ = 1162419840. Its totient is φ = 1123672396.

The previous prime is 1143046109. The next prime is 1143046127. The reversal of 1143046117 is 7116403411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143046117 - 2³ = 1143046109 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 (1143046127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9686773 + ... + 9686890.

It is an arithmetic number, because the mean of its divisors is an integer number (290604960).

Almost surely, 2^1143046117 is an apocalyptic number.

It is an amenable number.

1143046117 is a deficient number, since it is larger than the sum of its proper divisors (19373723).

1143046117 is an equidigital number, since it uses as much as digits as its factorization.

1143046117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373722.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1143046117 is about 33808.9650388769. The cubic root of 1143046117 is about 1045.5735401535.

Adding to 1143046117 its reverse (7116403411), we get a palindrome (8259449528).

The spelling of 1143046117 in words is "one billion, one hundred forty-three million, forty-six thousand, one hundred seventeen".