11030421 has 8 divisors (see below), whose sum is σ = 14722720. Its totient is φ = 7345872.

The previous prime is 11030407. The next prime is 11030423. The reversal of 11030421 is 12403011.

It is a happy number.

11030421 is digitally balanced in base 2, 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 not a de Polignac number, because 11030421 - 2⁷ = 11030293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030397 and 11030406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030423) 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, 3906 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (1840340).

Almost surely, 2^11030421 is an apocalyptic number.

It is an amenable number.

11030421 is a deficient number, since it is larger than the sum of its proper divisors (3692299).

11030421 is a wasteful number, since it uses less digits than its factorization.

11030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11030421 is about 3321.2077622455. The cubic root of 11030421 is about 222.6028376196.

Adding to 11030421 its reverse (12403011), we get a palindrome (23433432).

The spelling of 11030421 in words is "eleven million, thirty thousand, four hundred twenty-one".