1122443141 has 4 divisors (see below), whose sum is σ = 1123449132. Its totient is φ = 1121437152.

The previous prime is 1122443117. The next prime is 1122443159. The reversal of 1122443141 is 1413442211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 1059177025 = 7954^2 + 32545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122443141 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 (1122443191) 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, 501320 + ... + 503553.

It is an arithmetic number, because the mean of its divisors is an integer number (280862283).

Almost surely, 2^1122443141 is an apocalyptic number.

It is an amenable number.

1122443141 is a deficient number, since it is larger than the sum of its proper divisors (1005991).

1122443141 is a wasteful number, since it uses less digits than its factorization.

1122443141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005990.

The product of its digits is 768, while the sum is 23.

The square root of 1122443141 is about 33502.8825774738. The cubic root of 1122443141 is about 1039.2533907325.

Adding to 1122443141 its reverse (1413442211), we get a palindrome (2535885352).

The spelling of 1122443141 in words is "one billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred forty-one".