12180125 has 8 divisors (see below), whose sum is σ = 15200952. Its totient is φ = 9744000.

The previous prime is 12180101. The next prime is 12180151. The reversal of 12180125 is 52108121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 964324 + 11215801 = 982^2 + 3349^2 .

It is not a de Polignac number, because 12180125 - 2⁶ = 12180061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12180097 and 12180106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48596 + ... + 48845.

It is an arithmetic number, because the mean of its divisors is an integer number (1900119).

Almost surely, 2^12180125 is an apocalyptic number.

It is an amenable number.

12180125 is a deficient number, since it is larger than the sum of its proper divisors (3020827).

12180125 is an frugal number, since it uses more digits than its factorization.

12180125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97456 (or 97446 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 12180125 is about 3490.0035816601. The cubic root of 12180125 is about 230.0826734931.

Adding to 12180125 its reverse (52108121), we get a palindrome (64288246).

It can be divided in two parts, 121801 and 25, that multiplied together give a square (3045025 = 1745²).

The spelling of 12180125 in words is "twelve million, one hundred eighty thousand, one hundred twenty-five".