1079979 has 8 divisors (see below), whose sum is σ = 1515840. Its totient is φ = 682056.

The previous prime is 1079977. The next prime is 1079983. The reversal of 1079979 is 9799701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1079979 - 2¹ = 1079977 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1079979.

It is not an unprimeable number, because it can be changed into a prime (1079977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9417 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (189480).

2^1079979 is an apocalyptic number.

1079979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1079979 is a deficient number, since it is larger than the sum of its proper divisors (435861).

1079979 is a wasteful number, since it uses less digits than its factorization.

1079979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18969.

The product of its (nonzero) digits is 35721, while the sum is 42.

The square root of 1079979 is about 1039.2203808625. The cubic root of 1079979 is about 102.5978918056.

It can be divided in two parts, 10799 and 79, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 1079979 in words is "one million, seventy-nine thousand, nine hundred seventy-nine".