1341409 has 2 divisors, whose sum is σ = 1341410. Its totient is φ = 1341408.

The previous prime is 1341371. The next prime is 1341433. The reversal of 1341409 is 9041431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 567009 = 880^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341409 - 2⁹ = 1340897 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1341409.

It is not a weakly prime, because it can be changed into another prime (1341449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670704 + 670705.

It is an arithmetic number, because the mean of its divisors is an integer number (670705).

2^1341409 is an apocalyptic number.

It is an amenable number.

1341409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341409 is an equidigital number, since it uses as much as digits as its factorization.

1341409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1341409 is about 1158.1921256855. The cubic root of 1341409 is about 110.2860050406.

Adding to 1341409 its sum of digits (22), we get a palindrome (1341431).

The spelling of 1341409 in words is "one million, three hundred forty-one thousand, four hundred nine".