1395109 has 2 divisors, whose sum is σ = 1395110. Its totient is φ = 1395108.

The previous prime is 1395083. The next prime is 1395127. The reversal of 1395109 is 9015931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 567009 = 910^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395109 - 2⁵ = 1395077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697554 + 697555.

It is an arithmetic number, because the mean of its divisors is an integer number (697555).

2^1395109 is an apocalyptic number.

It is an amenable number.

1395109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395109 is an equidigital number, since it uses as much as digits as its factorization.

1395109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 1395109 is about 1181.1473235799. The cubic root of 1395109 is about 111.7384682150.

The spelling of 1395109 in words is "one million, three hundred ninety-five thousand, one hundred nine".