11130120 has 96 divisors (see below), whose sum is σ = 37065600. Its totient is φ = 2894976.

The previous prime is 11130109. The next prime is 11130127. The reversal of 11130120 is 2103111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11130127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15121 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

Almost surely, 2^11130120 is an apocalyptic number.

11130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18532800).

11130120 is an abundant number, since it is smaller than the sum of its proper divisors (25935480).

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

11130120 is a wasteful number, since it uses less digits than its factorization.

11130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11130120 is about 3336.1834481935. The cubic root of 11130120 is about 223.2714959612.

Adding to 11130120 its reverse (2103111), we get a palindrome (13233231).

The spelling of 11130120 in words is "eleven million, one hundred thirty thousand, one hundred twenty".