2118179 has 4 divisors (see below), whose sum is σ = 2420784. Its totient is φ = 1815576.

The previous prime is 2118173. The next prime is 2118187. The reversal of 2118179 is 9718112.

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

It is not a de Polignac number, because 2118179 - 2⁴ = 2118163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118173) 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 3 ways as a sum of consecutive naturals, for example, 151292 + ... + 151305.

It is an arithmetic number, because the mean of its divisors is an integer number (605196).

2^2118179 is an apocalyptic number.

2118179 is a deficient number, since it is larger than the sum of its proper divisors (302605).

2118179 is an equidigital number, since it uses as much as digits as its factorization.

2118179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302604.

The product of its digits is 1008, while the sum is 29.

The square root of 2118179 is about 1455.3965095465. The cubic root of 2118179 is about 128.4263735643.

The spelling of 2118179 in words is "two million, one hundred eighteen thousand, one hundred seventy-nine".