11241421 has 8 divisors (see below), whose sum is σ = 11559744. Its totient is φ = 10925280.

The previous prime is 11241389. The next prime is 11241443. The reversal of 11241421 is 12414211.

11241421 = 329² + 330² + ... + 410².

It is a happy number.

11241421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11241421 - 2⁵ = 11241389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11241395 and 11241404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11241481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19686 + ... + 20248.

It is an arithmetic number, because the mean of its divisors is an integer number (1444968).

Almost surely, 2^11241421 is an apocalyptic number.

It is an amenable number.

11241421 is a deficient number, since it is larger than the sum of its proper divisors (318323).

11241421 is an equidigital number, since it uses as much as digits as its factorization.

11241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 64, while the sum is 16.

The square root of 11241421 is about 3352.8228405330. The cubic root of 11241421 is about 224.0132658491.

Adding to 11241421 its reverse (12414211), we get a palindrome (23655632).

The spelling of 11241421 in words is "eleven million, two hundred forty-one thousand, four hundred twenty-one".