11000120 has 16 divisors (see below), whose sum is σ = 24750360. Its totient is φ = 4400032.

The previous prime is 11000113. The next prime is 11000149. The reversal of 11000120 is 2100011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137462 + ... + 137541.

Almost surely, 2^11000120 is an apocalyptic number.

11000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000120 is an abundant number, since it is smaller than the sum of its proper divisors (13750240).

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

11000120 is a wasteful number, since it uses less digits than its factorization.

11000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275014 (or 275010 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 11000120 is about 3316.6428809867. The cubic root of 11000120 is about 222.3988177740.

Adding to 11000120 its reverse (2100011), we get a palindrome (13100131).

The spelling of 11000120 in words is "eleven million, one hundred twenty", and thus it is an aban number.