11381124 has 12 divisors (see below), whose sum is σ = 26555984. Its totient is φ = 3793704.

The previous prime is 11381119. The next prime is 11381147. The reversal of 11381124 is 42118311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11381124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474202 + ... + 474225.

Almost surely, 2^11381124 is an apocalyptic number.

It is an amenable number.

11381124 is an abundant number, since it is smaller than the sum of its proper divisors (15174860).

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

11381124 is a wasteful number, since it uses less digits than its factorization.

11381124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948434 (or 948432 counting only the distinct ones).

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

The square root of 11381124 is about 3373.5921508090. The cubic root of 11381124 is about 224.9374245739.

Adding to 11381124 its reverse (42118311), we get a palindrome (53499435).

The spelling of 11381124 in words is "eleven million, three hundred eighty-one thousand, one hundred twenty-four".