109198403 has 2 divisors, whose sum is σ = 109198404. Its totient is φ = 109198402.

The previous prime is 109198387. The next prime is 109198451. The reversal of 109198403 is 304891901.

It is a weak prime.

It is an emirp because it is prime and its reverse (304891901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109198403 - 2⁴ = 109198387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109198483) 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, 54599201 + 54599202.

It is an arithmetic number, because the mean of its divisors is an integer number (54599202).

Almost surely, 2^109198403 is an apocalyptic number.

109198403 is a deficient number, since it is larger than the sum of its proper divisors (1).

109198403 is an equidigital number, since it uses as much as digits as its factorization.

109198403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 109198403 is about 10449.8039694532. The cubic root of 109198403 is about 477.9752719711.

The spelling of 109198403 in words is "one hundred nine million, one hundred ninety-eight thousand, four hundred three".