1120231143 has 12 divisors (see below), whose sum is σ = 1618599528. Its totient is φ = 746595600.

The previous prime is 1120231121. The next prime is 1120231183. The reversal of 1120231143 is 3411320211.

It is not a de Polignac number, because 1120231143 - 2¹² = 1120227047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120231103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16168 + ... + 50018.

It is an arithmetic number, because the mean of its divisors is an integer number (134883294).

Almost surely, 2^1120231143 is an apocalyptic number.

1120231143 is a deficient number, since it is larger than the sum of its proper divisors (498368385).

1120231143 is a wasteful number, since it uses less digits than its factorization.

1120231143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37534 (or 37531 counting only the distinct ones).

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

The square root of 1120231143 is about 33469.8542422879. The cubic root of 1120231143 is about 1038.5702564481.

Adding to 1120231143 its reverse (3411320211), we get a palindrome (4531551354).

The spelling of 1120231143 in words is "one billion, one hundred twenty million, two hundred thirty-one thousand, one hundred forty-three".