11230421 has 8 divisors (see below), whose sum is σ = 11925144. Its totient is φ = 10539520.

The previous prime is 11230391. The next prime is 11230441. The reversal of 11230421 is 12403211.

It can be written as a sum of positive squares in 4 ways, for example, as 3880900 + 7349521 = 1970^2 + 2711^2 .

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 11230421 - 2⁶ = 11230357 is a prime.

It is a super-2 number, since 2×11230421² = 252244711674482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11230396 and 11230405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230441) 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, 7121 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (1490643).

Almost surely, 2^11230421 is an apocalyptic number.

It is an amenable number.

11230421 is a deficient number, since it is larger than the sum of its proper divisors (694723).

11230421 is a wasteful number, since it uses less digits than its factorization.

11230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11230421 is about 3351.1820302693. The cubic root of 11230421 is about 223.9401745527.

Adding to 11230421 its reverse (12403211), we get a palindrome (23633632).

The spelling of 11230421 in words is "eleven million, two hundred thirty thousand, four hundred twenty-one".