1118327842 has 4 divisors (see below), whose sum is σ = 1677491766. Its totient is φ = 559163920.

The previous prime is 1118327803. The next prime is 1118327857. The reversal of 1118327842 is 2487238111.

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

It can be written as a sum of positive squares in only one way, i.e., 958583521 + 159744321 = 30961^2 + 12639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279581959 + ... + 279581962.

Almost surely, 2^1118327842 is an apocalyptic number.

1118327842 is a deficient number, since it is larger than the sum of its proper divisors (559163924).

1118327842 is an equidigital number, since it uses as much as digits as its factorization.

1118327842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559163923.

The product of its digits is 21504, while the sum is 37.

The square root of 1118327842 is about 33441.4090911253. The cubic root of 1118327842 is about 1037.9817373220.

The spelling of 1118327842 in words is "one billion, one hundred eighteen million, three hundred twenty-seven thousand, eight hundred forty-two".