1116734321 has 4 divisors (see below), whose sum is σ = 1126979700. Its totient is φ = 1106488944.

The previous prime is 1116734317. The next prime is 1116734351. The reversal of 1116734321 is 1234376111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1234376111 = 59 ⋅20921629.

It can be written as a sum of positive squares in 2 ways, for example, as 967894321 + 148840000 = 31111^2 + 12200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116734321 - 2² = 1116734317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116734351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5122526 + ... + 5122743.

It is an arithmetic number, because the mean of its divisors is an integer number (281744925).

Almost surely, 2^1116734321 is an apocalyptic number.

It is an amenable number.

1116734321 is a deficient number, since it is larger than the sum of its proper divisors (10245379).

1116734321 is a wasteful number, since it uses less digits than its factorization.

1116734321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245378.

The product of its digits is 3024, while the sum is 29.

The square root of 1116734321 is about 33417.5750317105. The cubic root of 1116734321 is about 1037.4884913999.

The spelling of 1116734321 in words is "one billion, one hundred sixteen million, seven hundred thirty-four thousand, three hundred twenty-one".