1118345201 has 4 divisors (see below), whose sum is σ = 1120158372. Its totient is φ = 1116532032.

The previous prime is 1118345159. The next prime is 1118345219. The reversal of 1118345201 is 1025438111.

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 318586801 + 799758400 = 17849^2 + 28280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118345201 - 2¹⁰ = 1118344177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118345231) 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, 905660 + ... + 906893.

It is an arithmetic number, because the mean of its divisors is an integer number (280039593).

Almost surely, 2^1118345201 is an apocalyptic number.

It is an amenable number.

1118345201 is a deficient number, since it is larger than the sum of its proper divisors (1813171).

1118345201 is an equidigital number, since it uses as much as digits as its factorization.

1118345201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813170.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1118345201 is about 33441.6686336074. The cubic root of 1118345201 is about 1037.9871079092.

The spelling of 1118345201 in words is "one billion, one hundred eighteen million, three hundred forty-five thousand, two hundred one".