12100125 has 32 divisors (see below), whose sum is σ = 20651904. Its totient is φ = 6288000.

The previous prime is 12100111. The next prime is 12100159. The reversal of 12100125 is 52100121.

It is not a de Polignac number, because 12100125 - 2¹¹ = 12098077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14982 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (645372).

Almost surely, 2^12100125 is an apocalyptic number.

12100125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12100125 is a deficient number, since it is larger than the sum of its proper divisors (8551779).

12100125 is an equidigital number, since it uses as much as digits as its factorization.

12100125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12100125 is about 3478.5233936255. The cubic root of 12100125 is about 229.5778330184.

Adding to 12100125 its reverse (52100121), we get a palindrome (64200246).

The spelling of 12100125 in words is "twelve million, one hundred thousand, one hundred twenty-five".