111126143 has 8 divisors (see below), whose sum is σ = 112519680. Its totient is φ = 109740960.

The previous prime is 111126139. The next prime is 111126151. The reversal of 111126143 is 341621111.

It is a happy number.

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 111126143 - 2² = 111126139 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 (111126163) 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 7 ways as a sum of consecutive naturals, for example, 27173 + ... + 30993.

It is an arithmetic number, because the mean of its divisors is an integer number (14064960).

Almost surely, 2^111126143 is an apocalyptic number.

111126143 is a deficient number, since it is larger than the sum of its proper divisors (1393537).

111126143 is a wasteful number, since it uses less digits than its factorization.

111126143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its digits is 144, while the sum is 20.

The square root of 111126143 is about 10541.6385348768. The cubic root of 111126143 is about 480.7715355268.

Adding to 111126143 its reverse (341621111), we get a palindrome (452747254).

The spelling of 111126143 in words is "one hundred eleven million, one hundred twenty-six thousand, one hundred forty-three".