109203071 has 2 divisors, whose sum is σ = 109203072. Its totient is φ = 109203070.

The previous prime is 109203037. The next prime is 109203079. The reversal of 109203071 is 170302901.

It is a strong prime.

It is an emirp because it is prime and its reverse (170302901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109203071 - 2⁶ = 109203007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109203079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54601535 + 54601536.

It is an arithmetic number, because the mean of its divisors is an integer number (54601536).

Almost surely, 2^109203071 is an apocalyptic number.

109203071 is a deficient number, since it is larger than the sum of its proper divisors (1).

109203071 is an equidigital number, since it uses as much as digits as its factorization.

109203071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 109203071 is about 10450.0273205384. The cubic root of 109203071 is about 477.9820826836.

Adding to 109203071 its reverse (170302901), we get a palindrome (279505972).

The spelling of 109203071 in words is "one hundred nine million, two hundred three thousand, seventy-one".