103744409 has 2 divisors, whose sum is σ = 103744410. Its totient is φ = 103744408.

The previous prime is 103744343. The next prime is 103744429. The reversal of 103744409 is 904447301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 9168784 = 9725^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 103744409 - 2⁸ = 103744153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103744429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51872204 + 51872205.

It is an arithmetic number, because the mean of its divisors is an integer number (51872205).

Almost surely, 2^103744409 is an apocalyptic number.

It is an amenable number.

103744409 is a deficient number, since it is larger than the sum of its proper divisors (1).

103744409 is an equidigital number, since it uses as much as digits as its factorization.

103744409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 103744409 is about 10185.4999386383. The cubic root of 103744409 is about 469.8813779407.

The spelling of 103744409 in words is "one hundred three million, seven hundred forty-four thousand, four hundred nine".