1395171 has 8 divisors (see below), whose sum is σ = 2066960. Its totient is φ = 930096.

The previous prime is 1395167. The next prime is 1395179. The reversal of 1395171 is 1715931.

It is a happy number.

It is not a de Polignac number, because 1395171 - 2² = 1395167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 51673 = 1395171 / (1 + 3 + 9 + 5 + 1 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395179) 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, 25810 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (258370).

2^1395171 is an apocalyptic number.

1395171 is a deficient number, since it is larger than the sum of its proper divisors (671789).

1395171 is an equidigital number, since it uses as much as digits as its factorization.

1395171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51682 (or 51676 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1395171 is about 1181.1735689559. The cubic root of 1395171 is about 111.7401234459.

The spelling of 1395171 in words is "one million, three hundred ninety-five thousand, one hundred seventy-one".