111130123 has 8 divisors (see below), whose sum is σ = 121365216. Its totient is φ = 101136000.

The previous prime is 111130121. The next prime is 111130147. The reversal of 111130123 is 321031111.

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 111130123 - 2¹ = 111130121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111130121) 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, 59278 + ... + 61123.

It is an arithmetic number, because the mean of its divisors is an integer number (15170652).

Almost surely, 2^111130123 is an apocalyptic number.

111130123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111130123 is a deficient number, since it is larger than the sum of its proper divisors (10235093).

111130123 is a wasteful number, since it uses less digits than its factorization.

111130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120485.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111130123 is about 10541.8273083939. The cubic root of 111130123 is about 480.7772750940. Note that the first 3 decimals are identical.

Adding to 111130123 its reverse (321031111), we get a palindrome (432161234).

The spelling of 111130123 in words is "one hundred eleven million, one hundred thirty thousand, one hundred twenty-three".