119807109 has 24 divisors (see below), whose sum is σ = 185072472. Its totient is φ = 74419200.

The previous prime is 119807099. The next prime is 119807113. The reversal of 119807109 is 901708911.

It can be written as a sum of positive squares in 4 ways, for example, as 103428900 + 16378209 = 10170^2 + 4047^2 .

It is not a de Polignac number, because 119807109 - 2⁸ = 119806853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119806109) 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 in 23 ways as a sum of consecutive naturals, for example, 11577 + ... + 19329.

It is an arithmetic number, because the mean of its divisors is an integer number (7711353).

Almost surely, 2^119807109 is an apocalyptic number.

It is an amenable number.

119807109 is a deficient number, since it is larger than the sum of its proper divisors (65265363).

119807109 is a wasteful number, since it uses less digits than its factorization.

119807109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7874 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 119807109 is about 10945.6433799023. The cubic root of 119807109 is about 492.9779897380.

The spelling of 119807109 in words is "one hundred nineteen million, eight hundred seven thousand, one hundred nine".