119809807 has 4 divisors (see below), whose sum is σ = 129025960. Its totient is φ = 110593656.

The previous prime is 119809787. The next prime is 119809819. The reversal of 119809807 is 708908911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119809807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119809847) 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 in 3 ways as a sum of consecutive naturals, for example, 4608057 + ... + 4608082.

It is an arithmetic number, because the mean of its divisors is an integer number (32256490).

Almost surely, 2^119809807 is an apocalyptic number.

119809807 is a deficient number, since it is larger than the sum of its proper divisors (9216153).

119809807 is an equidigital number, since it uses as much as digits as its factorization.

119809807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216152.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 119809807 is about 10945.7666245905. The cubic root of 119809807 is about 492.9816902547.

The spelling of 119809807 in words is "one hundred nineteen million, eight hundred nine thousand, eight hundred seven".