1143032217 has 8 divisors (see below), whose sum is σ = 1573205760. Its totient is φ = 737440080.

The previous prime is 1143032197. The next prime is 1143032221. The reversal of 1143032217 is 7122303411.

It is a happy number.

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

It is not a de Polignac number, because 1143032217 - 2⁷ = 1143032089 is a prime.

It is a super-4 number, since 4×1143032217⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143032117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6145242 + ... + 6145427.

It is an arithmetic number, because the mean of its divisors is an integer number (196650720).

Almost surely, 2^1143032217 is an apocalyptic number.

It is an amenable number.

1143032217 is a deficient number, since it is larger than the sum of its proper divisors (430173543).

1143032217 is a wasteful number, since it uses less digits than its factorization.

1143032217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290703.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1143032217 is about 33808.7594714743. The cubic root of 1143032217 is about 1045.5693019077.

Adding to 1143032217 its reverse (7122303411), we get a palindrome (8265335628).

The spelling of 1143032217 in words is "one billion, one hundred forty-three million, thirty-two thousand, two hundred seventeen".