1079731 has 4 divisors (see below), whose sum is σ = 1102752. Its totient is φ = 1056712.

The previous prime is 1079717. The next prime is 1079753. The reversal of 1079731 is 1379701.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1079731 - 2¹⁷ = 948659 is a prime.

It is a super-2 number, since 2×1079731² = 2331638064722, which contains 22 as substring.

It is a Duffinian number.

1079731 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1079731.

It is not an unprimeable number, because it can be changed into a prime (1079711) 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, 11440 + ... + 11533.

It is an arithmetic number, because the mean of its divisors is an integer number (275688).

2^1079731 is an apocalyptic number.

1079731 is a deficient number, since it is larger than the sum of its proper divisors (23021).

1079731 is an equidigital number, since it uses as much as digits as its factorization.

1079731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 1079731 is about 1039.1010537960. The cubic root of 1079731 is about 102.5900378798.

The spelling of 1079731 in words is "one million, seventy-nine thousand, seven hundred thirty-one".