1122332143 has 4 divisors (see below), whose sum is σ = 1125011160. Its totient is φ = 1119653128.

The previous prime is 1122332119. The next prime is 1122332171. The reversal of 1122332143 is 3412332211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122332143 - 2⁹ = 1122331631 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 (1122332543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338880 + ... + 1339717.

It is an arithmetic number, because the mean of its divisors is an integer number (281252790).

Almost surely, 2^1122332143 is an apocalyptic number.

1122332143 is a deficient number, since it is larger than the sum of its proper divisors (2679017).

1122332143 is an equidigital number, since it uses as much as digits as its factorization.

1122332143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679016.

The product of its digits is 864, while the sum is 22.

The square root of 1122332143 is about 33501.2259924917. The cubic root of 1122332143 is about 1039.2191324714.

Adding to 1122332143 its reverse (3412332211), we get a palindrome (4534664354).

The spelling of 1122332143 in words is "one billion, one hundred twenty-two million, three hundred thirty-two thousand, one hundred forty-three".