1120135556 has 24 divisors (see below), whose sum is σ = 2039589720. Its totient is φ = 537619712.

The previous prime is 1120135529. The next prime is 1120135561. The reversal of 1120135556 is 6555310211.

It can be written as a sum of positive squares in 4 ways, for example, as 784000000 + 336135556 = 28000^2 + 18334^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841 + ... + 47976.

It is an arithmetic number, because the mean of its divisors is an integer number (84982905).

Almost surely, 2^1120135556 is an apocalyptic number.

It is an amenable number.

1120135556 is a deficient number, since it is larger than the sum of its proper divisors (919454164).

1120135556 is a wasteful number, since it uses less digits than its factorization.

1120135556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56023 (or 56021 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1120135556 is about 33468.4262552036. The cubic root of 1120135556 is about 1038.5407159259.

Adding to 1120135556 its reverse (6555310211), we get a palindrome (7675445767).

The spelling of 1120135556 in words is "one billion, one hundred twenty million, one hundred thirty-five thousand, five hundred fifty-six".