103205029 has 2 divisors, whose sum is σ = 103205030. Its totient is φ = 103205028.

The previous prime is 103205021. The next prime is 103205041. The reversal of 103205029 is 920502301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 27984100 = 8673^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 103205029 - 2³ = 103205021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103205021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51602514 + 51602515.

It is an arithmetic number, because the mean of its divisors is an integer number (51602515).

Almost surely, 2^103205029 is an apocalyptic number.

It is an amenable number.

103205029 is a deficient number, since it is larger than the sum of its proper divisors (1).

103205029 is an equidigital number, since it uses as much as digits as its factorization.

103205029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 103205029 is about 10158.9875971969. The cubic root of 103205029 is about 469.0656388143.

The spelling of 103205029 in words is "one hundred three million, two hundred five thousand, twenty-nine".