1121110143 has 8 divisors (see below), whose sum is σ = 1573488000. Its totient is φ = 708069528.

The previous prime is 1121110117. The next prime is 1121110171. The reversal of 1121110143 is 3410111211.

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

It is not a de Polignac number, because 1121110143 - 2⁶ = 1121110079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110103) 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, 9834243 + ... + 9834356.

It is an arithmetic number, because the mean of its divisors is an integer number (196686000).

Almost surely, 2^1121110143 is an apocalyptic number.

1121110143 is a deficient number, since it is larger than the sum of its proper divisors (452377857).

1121110143 is a wasteful number, since it uses less digits than its factorization.

1121110143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668621.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1121110143 is about 33482.9828868337. The cubic root of 1121110143 is about 1038.8418267671.

Adding to 1121110143 its reverse (3410111211), we get a palindrome (4531221354).

It can be divided in two parts, 1121110 and 143, that added together give a triangular number (1121253 = T₁₄₉₇).

The spelling of 1121110143 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, one hundred forty-three".