1395123 has 4 divisors (see below), whose sum is σ = 1860168. Its totient is φ = 930080.

The previous prime is 1395109. The next prime is 1395127. The reversal of 1395123 is 3215931.

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: 3215931 = 3 ⋅1071977.

It is a cyclic number.

It is not a de Polignac number, because 1395123 - 2⁶ = 1395059 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 1395093 and 1395102.

It is not an unprimeable number, because it can be changed into a prime (1395127) 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, 232518 + ... + 232523.

It is an arithmetic number, because the mean of its divisors is an integer number (465042).

2^1395123 is an apocalyptic number.

1395123 is a deficient number, since it is larger than the sum of its proper divisors (465045).

1395123 is an equidigital number, since it uses as much as digits as its factorization.

1395123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465044.

The product of its digits is 810, while the sum is 24.

The square root of 1395123 is about 1181.1532500061. The cubic root of 1395123 is about 111.7388419811.

The spelling of 1395123 in words is "one million, three hundred ninety-five thousand, one hundred twenty-three".