11124381 has 8 divisors (see below), whose sum is σ = 15311104. Its totient is φ = 7176960.

The previous prime is 11124361. The next prime is 11124403. The reversal of 11124381 is 18342111.

It is a happy number.

11124381 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 not a de Polignac number, because 11124381 - 2⁵ = 11124349 is a prime.

It is a super-2 number, since 2×11124381² = 247503705266322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124361) 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, 59716 + ... + 59901.

It is an arithmetic number, because the mean of its divisors is an integer number (1913888).

Almost surely, 2^11124381 is an apocalyptic number.

It is an amenable number.

11124381 is a deficient number, since it is larger than the sum of its proper divisors (4186723).

11124381 is a wasteful number, since it uses less digits than its factorization.

11124381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119651.

The product of its digits is 192, while the sum is 21.

The square root of 11124381 is about 3335.3232227177. The cubic root of 11124381 is about 223.2331143620.

Adding to 11124381 its reverse (18342111), we get a palindrome (29466492).

The spelling of 11124381 in words is "eleven million, one hundred twenty-four thousand, three hundred eighty-one".