1121340112 has 10 divisors (see below), whose sum is σ = 2172596498. Its totient is φ = 560670048.

The previous prime is 1121340047. The next prime is 1121340127. The reversal of 1121340112 is 2110431211.

It can be written as a sum of positive squares in only one way, i.e., 871194256 + 250145856 = 29516^2 + 15816^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 70083757 = 1121340112 / (1 + 1 + 2 + 1 + 3 + 4 + 0 + 1 + 1 + 2).

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 as a sum of consecutive naturals, namely, 35041863 + ... + 35041894.

Almost surely, 2^1121340112 is an apocalyptic number.

It is an amenable number.

1121340112 is a deficient number, since it is larger than the sum of its proper divisors (1051256386).

1121340112 is an equidigital number, since it uses as much as digits as its factorization.

1121340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70083765 (or 70083759 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1121340112 is about 33486.4168283201. The cubic root of 1121340112 is about 1038.9128531168.

Adding to 1121340112 its reverse (2110431211), we get a palindrome (3231771323).

The spelling of 1121340112 in words is "one billion, one hundred twenty-one million, three hundred forty thousand, one hundred twelve".