103878193 has 2 divisors, whose sum is σ = 103878194. Its totient is φ = 103878192.

The previous prime is 103878167. The next prime is 103878227. The reversal of 103878193 is 391878301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 43784689 = 7752^2 + 6617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103878193 is a prime.

It is equal to p_5971828 and since 103878193 and 5971828 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (103878163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51939096 + 51939097.

It is an arithmetic number, because the mean of its divisors is an integer number (51939097).

Almost surely, 2^103878193 is an apocalyptic number.

It is an amenable number.

103878193 is a deficient number, since it is larger than the sum of its proper divisors (1).

103878193 is an equidigital number, since it uses as much as digits as its factorization.

103878193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 103878193 is about 10192.0651979861. The cubic root of 103878193 is about 470.0832702921.

The spelling of 103878193 in words is "one hundred three million, eight hundred seventy-eight thousand, one hundred ninety-three".