1120808420 has 24 divisors (see below), whose sum is σ = 2385943224. Its totient is φ = 442181376.

The previous prime is 1120808407. The next prime is 1120808473. The reversal of 1120808420 is 248080211.

It can be written as a sum of positive squares in 4 ways, for example, as 163277284 + 957531136 = 12778^2 + 30944^2 .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 1120808420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382379 + ... + 385298.

It is an arithmetic number, because the mean of its divisors is an integer number (99414301).

Almost surely, 2^1120808420 is an apocalyptic number.

1120808420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120808420 is an abundant number, since it is smaller than the sum of its proper divisors (1265134804).

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

1120808420 is a wasteful number, since it uses less digits than its factorization.

1120808420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767759 (or 767757 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1120808420 is about 33478.4769665527. The cubic root of 1120808420 is about 1038.7486243292.

Adding to 1120808420 its reverse (248080211), we get a palindrome (1368888631).

The spelling of 1120808420 in words is "one billion, one hundred twenty million, eight hundred eight thousand, four hundred twenty".