11421030 has 48 divisors (see below), whose sum is σ = 28216944. Its totient is φ = 2957760.

The previous prime is 11421029. The next prime is 11421037. The reversal of 11421030 is 3012411.

It is a happy number.

11421030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11420997 and 11421015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144531 + ... + 144609.

It is an arithmetic number, because the mean of its divisors is an integer number (587853).

Almost surely, 2^11421030 is an apocalyptic number.

11421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108472).

11421030 is an abundant number, since it is smaller than the sum of its proper divisors (16795914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421030 is an equidigital number, since it uses as much as digits as its factorization.

11421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 150 counting only the distinct ones).

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

The square root of 11421030 is about 3379.5014425208. The cubic root of 11421030 is about 225.2000196654.

Adding to 11421030 its reverse (3012411), we get a palindrome (14433441).

The spelling of 11421030 in words is "eleven million, four hundred twenty-one thousand, thirty".