1121320134 has 48 divisors (see below), whose sum is σ = 2695343040. Its totient is φ = 334031280.

The previous prime is 1121320129. The next prime is 1121320139. The reversal of 1121320134 is 4310231211.

It is an interprime number because it is at equal distance from previous prime (1121320129) and next prime (1121320139).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121320139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36312 + ... + 59675.

It is an arithmetic number, because the mean of its divisors is an integer number (56152980).

Almost surely, 2^1121320134 is an apocalyptic number.

1121320134 is an abundant number, since it is smaller than the sum of its proper divisors (1574022906).

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

1121320134 is a wasteful number, since it uses less digits than its factorization.

1121320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96065 (or 96062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1121320134 is about 33486.1185269359. The cubic root of 1121320134 is about 1038.9066832598.

Adding to 1121320134 its reverse (4310231211), we get a palindrome (5431551345).

The spelling of 1121320134 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred thirty-four".