195871103 has 2 divisors, whose sum is σ = 195871104. Its totient is φ = 195871102.

The previous prime is 195871087. The next prime is 195871139. The reversal of 195871103 is 301178591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195871103 - 2⁴ = 195871087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195871163) 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, 97935551 + 97935552.

It is an arithmetic number, because the mean of its divisors is an integer number (97935552).

Almost surely, 2^195871103 is an apocalyptic number.

195871103 is a deficient number, since it is larger than the sum of its proper divisors (1).

195871103 is an equidigital number, since it uses as much as digits as its factorization.

195871103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 195871103 is about 13995.3957786123. The cubic root of 195871103 is about 580.7512095389.

The spelling of 195871103 in words is "one hundred ninety-five million, eight hundred seventy-one thousand, one hundred three".