1379185 has 4 divisors (see below), whose sum is σ = 1655028. Its totient is φ = 1103344.

The previous prime is 1379173. The next prime is 1379201. The reversal of 1379185 is 5819731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5819731 = 563 ⋅10337.

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 1100401 = 528^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379185 - 2⁹ = 1378673 is a prime.

It is a Duffinian number.

1379185 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379185.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137914 + ... + 137923.

It is an arithmetic number, because the mean of its divisors is an integer number (413757).

2^1379185 is an apocalyptic number.

It is an amenable number.

1379185 is a deficient number, since it is larger than the sum of its proper divisors (275843).

1379185 is an equidigital number, since it uses as much as digits as its factorization.

1379185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275842.

The product of its digits is 7560, while the sum is 34.

The square root of 1379185 is about 1174.3870741795. The cubic root of 1379185 is about 111.3117067088.

The spelling of 1379185 in words is "one million, three hundred seventy-nine thousand, one hundred eighty-five".