11743121 has 8 divisors (see below), whose sum is σ = 13312320. Its totient is φ = 10269072.

The previous prime is 11743117. The next prime is 11743181. The reversal of 11743121 is 12134711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11743121 - 2² = 11743117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11743093 and 11743102.

It is not an unprimeable number, because it can be changed into a prime (11743181) 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 7 ways as a sum of consecutive naturals, for example, 23525 + ... + 24018.

It is an arithmetic number, because the mean of its divisors is an integer number (1664040).

Almost surely, 2^11743121 is an apocalyptic number.

It is an amenable number.

11743121 is a deficient number, since it is larger than the sum of its proper divisors (1569199).

11743121 is a wasteful number, since it uses less digits than its factorization.

11743121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47575.

The product of its digits is 168, while the sum is 20.

The square root of 11743121 is about 3426.8237480209. The cubic root of 11743121 is about 227.2974230182.

Adding to 11743121 its reverse (12134711), we get a palindrome (23877832).

The spelling of 11743121 in words is "eleven million, seven hundred forty-three thousand, one hundred twenty-one".