12116025 has 18 divisors (see below), whose sum is σ = 21701550. Its totient is φ = 6461760.

The previous prime is 12116023. The next prime is 12116077. The reversal of 12116025 is 52061121.

It can be written as a sum of positive squares in 3 ways, for example, as 4112784 + 8003241 = 2028^2 + 2829^2 .

It is not a de Polignac number, because 12116025 - 2¹ = 12116023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12115989 and 12116007.

It is not an unprimeable number, because it can be changed into a prime (12116023) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 26700 + ... + 27149.

Almost surely, 2^12116025 is an apocalyptic number.

12116025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12116025 is a deficient number, since it is larger than the sum of its proper divisors (9585525).

12116025 is a wasteful number, since it uses less digits than its factorization.

12116025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53865 (or 53857 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12116025 is about 3480.8080958306. The cubic root of 12116025 is about 229.6783468517.

Adding to 12116025 its reverse (52061121), we get a palindrome (64177146).

The spelling of 12116025 in words is "twelve million, one hundred sixteen thousand, twenty-five".