11746121 has 4 divisors (see below), whose sum is σ = 11779200. Its totient is φ = 11713044.

The previous prime is 11746109. The next prime is 11746129. The reversal of 11746121 is 12164711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11746121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11746129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16001 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (2944800).

Almost surely, 2^11746121 is an apocalyptic number.

It is an amenable number.

11746121 is a deficient number, since it is larger than the sum of its proper divisors (33079).

11746121 is an equidigital number, since it uses as much as digits as its factorization.

11746121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33078.

The product of its digits is 336, while the sum is 23.

The square root of 11746121 is about 3427.2614431934. The cubic root of 11746121 is about 227.3167771635.

The spelling of 11746121 in words is "eleven million, seven hundred forty-six thousand, one hundred twenty-one".