120650378109 has 16 divisors (see below), whose sum is σ = 165025957824. Its totient is φ = 78359792000.

The previous prime is 120650378083. The next prime is 120650378113. The reversal of 120650378109 is 901873056021.

It is a cyclic number.

It is not a de Polignac number, because 120650378109 - 2²⁰ = 120649329533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120650378159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613419 + ... + 785864.

It is an arithmetic number, because the mean of its divisors is an integer number (10314122364).

Almost surely, 2^120650378109 is an apocalyptic number.

It is an amenable number.

120650378109 is a deficient number, since it is larger than the sum of its proper divisors (44375579715).

120650378109 is a wasteful number, since it uses less digits than its factorization.

120650378109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400028.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 120650378109 in words is "one hundred twenty billion, six hundred fifty million, three hundred seventy-eight thousand, one hundred nine".