11822120 has 16 divisors (see below), whose sum is σ = 26599860. Its totient is φ = 4728832.

The previous prime is 11822093. The next prime is 11822143. The reversal of 11822120 is 2122811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11383876 + 438244 = 3374^2 + 662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147737 + ... + 147816.

Almost surely, 2^11822120 is an apocalyptic number.

11822120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11822120 is an abundant number, since it is smaller than the sum of its proper divisors (14777740).

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

11822120 is a wasteful number, since it uses less digits than its factorization.

11822120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295564 (or 295560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11822120 is about 3438.3309904662. The cubic root of 11822120 is about 227.8059804240.

Adding to 11822120 its reverse (2122811), we get a palindrome (13944931).

The spelling of 11822120 in words is "eleven million, eight hundred twenty-two thousand, one hundred twenty".