12161053 has 2 divisors, whose sum is σ = 12161054. Its totient is φ = 12161052.

The previous prime is 12161047. The next prime is 12161099. The reversal of 12161053 is 35016121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 580644 = 3403^2 + 762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12161053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12161053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12161003) 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 as a sum of consecutive naturals, namely, 6080526 + 6080527.

It is an arithmetic number, because the mean of its divisors is an integer number (6080527).

Almost surely, 2^12161053 is an apocalyptic number.

It is an amenable number.

12161053 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161053 is an equidigital number, since it uses as much as digits as its factorization.

12161053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12161053 is about 3487.2701357939. The cubic root of 12161053 is about 229.9625206730.

Adding to 12161053 its reverse (35016121), we get a palindrome (47177174).

The spelling of 12161053 in words is "twelve million, one hundred sixty-one thousand, fifty-three".