103201009 has 2 divisors, whose sum is σ = 103201010. Its totient is φ = 103201008.

The previous prime is 103201003. The next prime is 103201031. The reversal of 103201009 is 900102301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98803600 + 4397409 = 9940^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 103201009 - 2³ = 103201001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103200983 and 103201001.

It is not a weakly prime, because it can be changed into another prime (103201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51600504 + 51600505.

It is an arithmetic number, because the mean of its divisors is an integer number (51600505).

Almost surely, 2^103201009 is an apocalyptic number.

It is an amenable number.

103201009 is a deficient number, since it is larger than the sum of its proper divisors (1).

103201009 is an equidigital number, since it uses as much as digits as its factorization.

103201009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 103201009 is about 10158.7897409091. The cubic root of 103201009 is about 469.0595484511.

The spelling of 103201009 in words is "one hundred three million, two hundred one thousand, nine".