12290125 has 8 divisors (see below), whose sum is σ = 15338232. Its totient is φ = 9832000.

The previous prime is 12290123. The next prime is 12290129. The reversal of 12290125 is 52109221.

12290125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33124 + 12257001 = 182^2 + 3501^2 .

It is not a de Polignac number, because 12290125 - 2¹ = 12290123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12290096 and 12290105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49036 + ... + 49285.

It is an arithmetic number, because the mean of its divisors is an integer number (1917279).

Almost surely, 2^12290125 is an apocalyptic number.

It is an amenable number.

12290125 is a deficient number, since it is larger than the sum of its proper divisors (3048107).

12290125 is an frugal number, since it uses more digits than its factorization.

12290125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98336 (or 98326 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12290125 is about 3505.7274566058. The cubic root of 12290125 is about 230.7732324805.

Adding to 12290125 its reverse (52109221), we get a palindrome (64399346).

The spelling of 12290125 in words is "twelve million, two hundred ninety thousand, one hundred twenty-five".