109125199 has 2 divisors, whose sum is σ = 109125200. Its totient is φ = 109125198.

The previous prime is 109125197. The next prime is 109125209. The reversal of 109125199 is 991521901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109125199 - 2¹ = 109125197 is a prime.

Together with 109125197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109125197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54562599 + 54562600.

It is an arithmetic number, because the mean of its divisors is an integer number (54562600).

Almost surely, 2^109125199 is an apocalyptic number.

109125199 is a deficient number, since it is larger than the sum of its proper divisors (1).

109125199 is an equidigital number, since it uses as much as digits as its factorization.

109125199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 37.

The square root of 109125199 is about 10446.3007327953. The cubic root of 109125199 is about 477.8684403615.

The spelling of 109125199 in words is "one hundred nine million, one hundred twenty-five thousand, one hundred ninety-nine".