111325123 has 48 divisors (see below), whose sum is σ = 151253760. Its totient is φ = 79548480.

The previous prime is 111325121. The next prime is 111325139. The reversal of 111325123 is 321523111.

It is not a de Polignac number, because 111325123 - 2¹ = 111325121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 111325123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111325121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1661536 + ... + 1661602.

It is an arithmetic number, because the mean of its divisors is an integer number (3151120).

Almost surely, 2^111325123 is an apocalyptic number.

111325123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111325123 is a deficient number, since it is larger than the sum of its proper divisors (39928637).

111325123 is a wasteful number, since it uses less digits than its factorization.

111325123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 137 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 111325123 is about 10551.0721256183. The cubic root of 111325123 is about 481.0583173659.

Adding to 111325123 its reverse (321523111), we get a palindrome (432848234).

The spelling of 111325123 in words is "one hundred eleven million, three hundred twenty-five thousand, one hundred twenty-three".