1120505312 has 48 divisors (see below), whose sum is σ = 2255217552. Its totient is φ = 547891200.

The previous prime is 1120505249. The next prime is 1120505339. The reversal of 1120505312 is 2135050211.

It is a happy number.

It is a congruent number.

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, 266168 + ... + 270344.

It is an arithmetic number, because the mean of its divisors is an integer number (46983699).

Almost surely, 2^1120505312 is an apocalyptic number.

It is an amenable number.

1120505312 is an abundant number, since it is smaller than the sum of its proper divisors (1134712240).

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

1120505312 is a wasteful number, since it uses less digits than its factorization.

1120505312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4363 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1120505312 is about 33473.9497520087. The cubic root of 1120505312 is about 1038.6549772202.

Adding to 1120505312 its reverse (2135050211), we get a palindrome (3255555523).

The spelling of 1120505312 in words is "one billion, one hundred twenty million, five hundred five thousand, three hundred twelve".