1120042123 has 8 divisors (see below), whose sum is σ = 1130239040. Its totient is φ = 1109876040.

The previous prime is 1120042087. The next prime is 1120042129. The reversal of 1120042123 is 3212400211.

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 1120042123 - 2¹³ = 1120033931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120042097 and 1120042106.

It is not an unprimeable number, because it can be changed into a prime (1120042129) 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, 68668 + ... + 83398.

It is an arithmetic number, because the mean of its divisors is an integer number (141279880).

Almost surely, 2^1120042123 is an apocalyptic number.

1120042123 is a deficient number, since it is larger than the sum of its proper divisors (10196917).

1120042123 is a wasteful number, since it uses less digits than its factorization.

1120042123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1120042123 is about 33467.0303881297. The cubic root of 1120042123 is about 1038.5118394587.

Adding to 1120042123 its reverse (3212400211), we get a palindrome (4332442334).

The spelling of 1120042123 in words is "one billion, one hundred twenty million, forty-two thousand, one hundred twenty-three".