1379109 has 4 divisors (see below), whose sum is σ = 1838816. Its totient is φ = 919404.

The previous prime is 1379107. The next prime is 1379111. The reversal of 1379109 is 9019731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1379107) and next prime (1379111).

It is not a de Polignac number, because 1379109 - 2¹ = 1379107 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229849 + ... + 229854.

It is an arithmetic number, because the mean of its divisors is an integer number (459704).

2^1379109 is an apocalyptic number.

It is an amenable number.

1379109 is a deficient number, since it is larger than the sum of its proper divisors (459707).

1379109 is an equidigital number, since it uses as much as digits as its factorization.

1379109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459706.

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

The square root of 1379109 is about 1174.3547164294. The cubic root of 1379109 is about 111.3096620604.

The spelling of 1379109 in words is "one million, three hundred seventy-nine thousand, one hundred nine".