1116788201 has 4 divisors (see below), whose sum is σ = 1120940100. Its totient is φ = 1112636304.

The previous prime is 1116788177. The next prime is 1116788203. The reversal of 1116788201 is 1028876111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 646939225 + 469848976 = 25435^2 + 21676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116788201 - 2¹⁸ = 1116526057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116788203) 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, 2075546 + ... + 2076083.

It is an arithmetic number, because the mean of its divisors is an integer number (280235025).

Almost surely, 2^1116788201 is an apocalyptic number.

It is an amenable number.

1116788201 is a deficient number, since it is larger than the sum of its proper divisors (4151899).

1116788201 is an equidigital number, since it uses as much as digits as its factorization.

1116788201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151898.

The product of its (nonzero) digits is 5376, while the sum is 35.

The square root of 1116788201 is about 33418.3811846116. The cubic root of 1116788201 is about 1037.5051766520.

The spelling of 1116788201 in words is "one billion, one hundred sixteen million, seven hundred eighty-eight thousand, two hundred one".