11122401 has 8 divisors (see below), whose sum is σ = 14865120. Its totient is φ = 7397312.

The previous prime is 11122393. The next prime is 11122411. The reversal of 11122401 is 10422111.

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 11122401 - 2³ = 11122393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122411) 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, 2856 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (1858140).

Almost surely, 2^11122401 is an apocalyptic number.

It is an amenable number.

11122401 is a deficient number, since it is larger than the sum of its proper divisors (3742719).

11122401 is an equidigital number, since it uses as much as digits as its factorization.

11122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11122401 is about 3335.0263867022. The cubic root of 11122401 is about 223.2198693466.

Adding to 11122401 its reverse (10422111), we get a palindrome (21544512).

The spelling of 11122401 in words is "eleven million, one hundred twenty-two thousand, four hundred one".