111240126 has 12 divisors (see below), whose sum is σ = 241020312. Its totient is φ = 37080036.

The previous prime is 111240113. The next prime is 111240127. The reversal of 111240126 is 621042111.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6180007 = 111240126 / (1 + 1 + 1 + 2 + 4 + 0 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 111240099 and 111240108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111240127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089986 + ... + 3090021.

It is an arithmetic number, because the mean of its divisors is an integer number (20085026).

Almost surely, 2^111240126 is an apocalyptic number.

111240126 is an abundant number, since it is smaller than the sum of its proper divisors (129780186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111240126 is a wasteful number, since it uses less digits than its factorization.

111240126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180015 (or 6180012 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 111240126 is about 10547.0434719878. The cubic root of 111240126 is about 480.9358564656.

Adding to 111240126 its reverse (621042111), we get a palindrome (732282237).

The spelling of 111240126 in words is "one hundred eleven million, two hundred forty thousand, one hundred twenty-six".