1121110123 has 8 divisors (see below), whose sum is σ = 1282138848. Its totient is φ = 960298944.

The previous prime is 1121110117. The next prime is 1121110171. The reversal of 1121110123 is 3210111211.

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 1121110123 - 2¹⁷ = 1120979051 is a prime.

It is a Duffinian 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, 43186 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (160267356).

Almost surely, 2^1121110123 is an apocalyptic number.

1121110123 is a deficient number, since it is larger than the sum of its proper divisors (161028725).

1121110123 is a wasteful number, since it uses less digits than its factorization.

1121110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108773.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121110123 is about 33482.9825881745. The cubic root of 1121110123 is about 1038.8418205897.

Adding to 1121110123 its reverse (3210111211), we get a palindrome (4331221334).

The spelling of 1121110123 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty-three".