11406121 has 2 divisors, whose sum is σ = 11406122. Its totient is φ = 11406120.

The previous prime is 11406113. The next prime is 11406127. The reversal of 11406121 is 12160411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 876096 = 3245^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11406121 - 2³ = 11406113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11406095 and 11406104.

It is not a weakly prime, because it can be changed into another prime (11406127) 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, 5703060 + 5703061.

It is an arithmetic number, because the mean of its divisors is an integer number (5703061).

Almost surely, 2^11406121 is an apocalyptic number.

It is an amenable number.

11406121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11406121 is an equidigital number, since it uses as much as digits as its factorization.

11406121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11406121 is about 3377.2949234558. The cubic root of 11406121 is about 225.1019850423.

Adding to 11406121 its reverse (12160411), we get a palindrome (23566532).

The spelling of 11406121 in words is "eleven million, four hundred six thousand, one hundred twenty-one".