11421024 has 48 divisors (see below), whose sum is σ = 30159360. Its totient is φ = 3784320.

The previous prime is 11421019. The next prime is 11421029. The reversal of 11421024 is 42012411.

It is an interprime number because it is at equal distance from previous prime (11421019) and next prime (11421029).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 11420994 and 11421012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421029) 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, 25797 + ... + 26235.

It is an arithmetic number, because the mean of its divisors is an integer number (628320).

Almost surely, 2^11421024 is an apocalyptic number.

It is an amenable number.

11421024 is an abundant number, since it is smaller than the sum of its proper divisors (18738336).

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

11421024 is a wasteful number, since it uses less digits than its factorization.

11421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11421024 is about 3379.5005548158. The cubic root of 11421024 is about 225.1999802294.

Adding to 11421024 its reverse (42012411), we get a palindrome (53433435).

The spelling of 11421024 in words is "eleven million, four hundred twenty-one thousand, twenty-four".