11420120 has 32 divisors (see below), whose sum is σ = 26053920. Its totient is φ = 4504320.

The previous prime is 11420111. The next prime is 11420131. The reversal of 11420120 is 2102411.

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, 965 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (814185).

Almost surely, 2^11420120 is an apocalyptic number.

11420120 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 11420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13026960).

11420120 is an abundant number, since it is smaller than the sum of its proper divisors (14633800).

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

11420120 is a wasteful number, since it uses less digits than its factorization.

11420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11420120 is about 3379.3668045952. The cubic root of 11420120 is about 225.1940383759.

Adding to 11420120 its reverse (2102411), we get a palindrome (13522531).

The spelling of 11420120 in words is "eleven million, four hundred twenty thousand, one hundred twenty".