11422120 has 16 divisors (see below), whose sum is σ = 25699860. Its totient is φ = 4568832.

The previous prime is 11422109. The next prime is 11422121. The reversal of 11422120 is 2122411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 11236 = 3378^2 + 106^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11422120.

It is not an unprimeable number, because it can be changed into a prime (11422121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 142737 + ... + 142816.

Almost surely, 2^11422120 is an apocalyptic number.

11422120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11422120 is an abundant number, since it is smaller than the sum of its proper divisors (14277740).

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

11422120 is a wasteful number, since it uses less digits than its factorization.

11422120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285564 (or 285560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11422120 is about 3379.6627050639. The cubic root of 11422120 is about 225.2071836490.

Adding to 11422120 its reverse (2122411), we get a palindrome (13544531).

The spelling of 11422120 in words is "eleven million, four hundred twenty-two thousand, one hundred twenty".