1112122543 has 8 divisors (see below), whose sum is σ = 1275139712. Its totient is φ = 950141016.

The previous prime is 1112122523. The next prime is 1112122547. The reversal of 1112122543 is 3452212111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112122543 - 2²⁹ = 575251631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112122547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256605 + ... + 260902.

It is an arithmetic number, because the mean of its divisors is an integer number (159392464).

Almost surely, 2^1112122543 is an apocalyptic number.

1112122543 is a deficient number, since it is larger than the sum of its proper divisors (163017169).

1112122543 is an equidigital number, since it uses as much as digits as its factorization.

1112122543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517821.

The product of its digits is 480, while the sum is 22.

The square root of 1112122543 is about 33348.5013606309. The cubic root of 1112122543 is about 1036.0583487433.

Adding to 1112122543 its reverse (3452212111), we get a palindrome (4564334654).

The spelling of 1112122543 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, five hundred forty-three".