103201409 has 2 divisors, whose sum is σ = 103201410. Its totient is φ = 103201408.

The previous prime is 103201379. The next prime is 103201429. The reversal of 103201409 is 904102301.

It is an a-pointer prime, because the next prime (103201429) can be obtained adding 103201409 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100560784 + 2640625 = 10028^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 103201409 - 2¹⁶ = 103135873 is a prime.

It is not a weakly prime, because it can be changed into another prime (103201429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600704 + 51600705.

It is an arithmetic number, because the mean of its divisors is an integer number (51600705).

Almost surely, 2^103201409 is an apocalyptic number.

It is an amenable number.

103201409 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201409 is an equidigital number, since it uses as much as digits as its factorization.

103201409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103201409 is about 10158.8094282746. The cubic root of 103201409 is about 469.0601544645.

The spelling of 103201409 in words is "one hundred three million, two hundred one thousand, four hundred nine".