120302109 has 12 divisors (see below), whose sum is σ = 175864416. Its totient is φ = 79234632.

The previous prime is 120302107. The next prime is 120302113. The reversal of 120302109 is 901203021.

It is a happy number.

It is not a de Polignac number, because 120302109 - 2¹ = 120302107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120302091 and 120302100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120302107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79777 + ... + 81270.

It is an arithmetic number, because the mean of its divisors is an integer number (14655368).

Almost surely, 2^120302109 is an apocalyptic number.

It is an amenable number.

120302109 is a deficient number, since it is larger than the sum of its proper divisors (55562307).

120302109 is a wasteful number, since it uses less digits than its factorization.

120302109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161136 (or 161133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 120302109 is about 10968.2318082725. The cubic root of 120302109 is about 493.6559929130.

The spelling of 120302109 in words is "one hundred twenty million, three hundred two thousand, one hundred nine".