1118842 has 4 divisors (see below), whose sum is σ = 1678266. Its totient is φ = 559420.

The previous prime is 1118837. The next prime is 1118851. The reversal of 1118842 is 2488111.

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., 1022121 + 96721 = 1011^2 + 311^2 .

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279709 + ... + 279712.

2^1118842 is an apocalyptic number.

1118842 is a deficient number, since it is larger than the sum of its proper divisors (559424).

1118842 is an equidigital number, since it uses as much as digits as its factorization.

1118842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559423.

The product of its digits is 512, while the sum is 25.

The square root of 1118842 is about 1057.7532793615. The cubic root of 1118842 is about 103.8140785747.

The spelling of 1118842 in words is "one million, one hundred eighteen thousand, eight hundred forty-two".