11634121 has 2 divisors, whose sum is σ = 11634122. Its totient is φ = 11634120.

The previous prime is 11634109. The next prime is 11634149. The reversal of 11634121 is 12143611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 1000000 = 3261^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634121 - 2¹¹ = 11632073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11634421) 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, 5817060 + 5817061.

It is an arithmetic number, because the mean of its divisors is an integer number (5817061).

Almost surely, 2^11634121 is an apocalyptic number.

It is an amenable number.

11634121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634121 is an equidigital number, since it uses as much as digits as its factorization.

11634121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 11634121 is about 3410.8827303207. The cubic root of 11634121 is about 226.5919753423.

Adding to 11634121 its reverse (12143611), we get a palindrome (23777732).

The spelling of 11634121 in words is "eleven million, six hundred thirty-four thousand, one hundred twenty-one".