103906039 has 2 divisors, whose sum is σ = 103906040. Its totient is φ = 103906038.

The previous prime is 103906009. The next prime is 103906067. The reversal of 103906039 is 930609301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103906039 - 2¹¹ = 103903991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103906039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103906009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51953019 + 51953020.

It is an arithmetic number, because the mean of its divisors is an integer number (51953020).

Almost surely, 2^103906039 is an apocalyptic number.

103906039 is a deficient number, since it is larger than the sum of its proper divisors (1).

103906039 is an equidigital number, since it uses as much as digits as its factorization.

103906039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 103906039 is about 10193.4311691403. The cubic root of 103906039 is about 470.1252706674.

The spelling of 103906039 in words is "one hundred three million, nine hundred six thousand, thirty-nine".