11123040 has 48 divisors (see below), whose sum is σ = 35039088. Its totient is φ = 2966016.

The previous prime is 11123039. The next prime is 11123069. The reversal of 11123040 is 4032111.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11107 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (729981).

Almost surely, 2^11123040 is an apocalyptic number.

11123040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123040 is an abundant number, since it is smaller than the sum of its proper divisors (23916048).

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

11123040 is a wasteful number, since it uses less digits than its factorization.

11123040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23191 (or 23183 counting only the distinct ones).

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

The square root of 11123040 is about 3335.1221866672. The cubic root of 11123040 is about 223.2241440461.

Adding to 11123040 its reverse (4032111), we get a palindrome (15155151).

The spelling of 11123040 in words is "eleven million, one hundred twenty-three thousand, forty".