11520120 has 32 divisors (see below), whose sum is σ = 34560720. Its totient is φ = 3072000.

The previous prime is 11520083. The next prime is 11520191. The reversal of 11520120 is 2102511.

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

It is a junction number, because it is equal to n+sod(n) for n = 11520096 and 11520105.

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 7 ways as a sum of consecutive naturals, for example, 47881 + ... + 48120.

Almost surely, 2^11520120 is an apocalyptic number.

11520120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520120 is an abundant number, since it is smaller than the sum of its proper divisors (23040600).

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

11520120 is a wasteful number, since it uses less digits than its factorization.

11520120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96015 (or 96011 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11520120 is about 3394.1302273189. The cubic root of 11520120 is about 225.8494311254.

Adding to 11520120 its reverse (2102511), we get a palindrome (13622631).

The spelling of 11520120 in words is "eleven million, five hundred twenty thousand, one hundred twenty".