1118599343 has 4 divisors (see below), whose sum is σ = 1118932608. Its totient is φ = 1118266080.

The previous prime is 1118599327. The next prime is 1118599387. The reversal of 1118599343 is 3439958111.

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

It is a cyclic number.

It is not a de Polignac number, because 1118599343 - 2⁴ = 1118599327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1118599294 and 1118599303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118599943) 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, 161546 + ... + 168327.

It is an arithmetic number, because the mean of its divisors is an integer number (279733152).

Almost surely, 2^1118599343 is an apocalyptic number.

1118599343 is a deficient number, since it is larger than the sum of its proper divisors (333265).

1118599343 is an equidigital number, since it uses as much as digits as its factorization.

1118599343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333264.

The product of its digits is 116640, while the sum is 44.

The square root of 1118599343 is about 33445.4681982477. The cubic root of 1118599343 is about 1038.0657288751.

The spelling of 1118599343 in words is "one billion, one hundred eighteen million, five hundred ninety-nine thousand, three hundred forty-three".