1112449220 has 12 divisors (see below), whose sum is σ = 2336143404. Its totient is φ = 444979680.

The previous prime is 1112449201. The next prime is 1112449223. The reversal of 1112449220 is 229442111.

It can be written as a sum of positive squares in 2 ways, for example, as 261210244 + 851238976 = 16162^2 + 29176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1112449220.

It is not an unprimeable number, because it can be changed into a prime (1112449223) 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, 27811211 + ... + 27811250.

It is an arithmetic number, because the mean of its divisors is an integer number (194678617).

Almost surely, 2^1112449220 is an apocalyptic number.

1112449220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112449220 is an abundant number, since it is smaller than the sum of its proper divisors (1223694184).

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

1112449220 is a wasteful number, since it uses less digits than its factorization.

1112449220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55622470 (or 55622468 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1112449220 is about 33353.3989272458. The cubic root of 1112449220 is about 1036.1597833982.

The spelling of 1112449220 in words is "one billion, one hundred twelve million, four hundred forty-nine thousand, two hundred twenty".