112125105 has 12 divisors (see below), whose sum is σ = 194350260. Its totient is φ = 59800032.

The previous prime is 112125071. The next prime is 112125131. The reversal of 112125105 is 501521211.

It can be written as a sum of positive squares in 2 ways, for example, as 59721984 + 52403121 = 7728^2 + 7239^2 .

It is not a de Polignac number, because 112125105 - 2¹⁰ = 112124081 is a prime.

It is a super-2 number, since 2×112125105² = 25144078342522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245790 + ... + 1245879.

It is an arithmetic number, because the mean of its divisors is an integer number (16195855).

Almost surely, 2^112125105 is an apocalyptic number.

112125105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112125105 is a deficient number, since it is larger than the sum of its proper divisors (82225155).

112125105 is a wasteful number, since it uses less digits than its factorization.

112125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491680 (or 2491677 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 112125105 is about 10588.9142502903. The cubic root of 112125105 is about 482.2078627460.

Adding to 112125105 its reverse (501521211), we get a palindrome (613646316).

The spelling of 112125105 in words is "one hundred twelve million, one hundred twenty-five thousand, one hundred five".