1079139 has 4 divisors (see below), whose sum is σ = 1438856. Its totient is φ = 719424.

The previous prime is 1079123. The next prime is 1079147. The reversal of 1079139 is 9319701.

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

It is not a de Polignac number, because 1079139 - 2⁴ = 1079123 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1079189) 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 3 ways as a sum of consecutive naturals, for example, 179854 + ... + 179859.

It is an arithmetic number, because the mean of its divisors is an integer number (359714).

2^1079139 is an apocalyptic number.

1079139 is a deficient number, since it is larger than the sum of its proper divisors (359717).

1079139 is an equidigital number, since it uses as much as digits as its factorization.

1079139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359716.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1079139 is about 1038.8161531282. The cubic root of 1079139 is about 102.5712849356.

The spelling of 1079139 in words is "one million, seventy-nine thousand, one hundred thirty-nine".