1120404135220 has 12 divisors (see below), whose sum is σ = 2352848684004. Its totient is φ = 448161654080.

The previous prime is 1120404135209. The next prime is 1120404135293. The reversal of 1120404135220 is 225314040211.

It can be written as a sum of positive squares in 2 ways, for example, as 502224507684 + 618179627536 = 708678^2 + 786244^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28010103361 + ... + 28010103400.

It is an arithmetic number, because the mean of its divisors is an integer number (196070723667).

Almost surely, 2^{1120404135220} is an apocalyptic number.

1120404135220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120404135220 is an abundant number, since it is smaller than the sum of its proper divisors (1232444548784).

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

1120404135220 is a wasteful number, since it uses less digits than its factorization.

1120404135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56020206770 (or 56020206768 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1120404135220 its reverse (225314040211), we get a palindrome (1345718175431).

The spelling of 1120404135220 in words is "one trillion, one hundred twenty billion, four hundred four million, one hundred thirty-five thousand, two hundred twenty".