1118979 has 12 divisors (see below), whose sum is σ = 1633632. Its totient is φ = 738000.

The previous prime is 1118969. The next prime is 1118987. The reversal of 1118979 is 9798111.

It is not a de Polignac number, because 1118979 - 2⁵ = 1118947 is a prime.

It is a super-2 number, since 2×1118979² = 2504228004882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (136136).

2^1118979 is an apocalyptic number.

1118979 is a deficient number, since it is larger than the sum of its proper divisors (514653).

1118979 is a wasteful number, since it uses less digits than its factorization.

1118979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).

The product of its digits is 4536, while the sum is 36.

The square root of 1118979 is about 1057.8180372824. The cubic root of 1118979 is about 103.8183156783.

The spelling of 1118979 in words is "one million, one hundred eighteen thousand, nine hundred seventy-nine".