120506205 has 16 divisors (see below), whose sum is σ = 195252480. Its totient is φ = 63455808.

The previous prime is 120506203. The next prime is 120506219. The reversal of 120506205 is 502605021.

It is not a de Polignac number, because 120506205 - 2¹ = 120506203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120506203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49662 + ... + 52031.

It is an arithmetic number, because the mean of its divisors is an integer number (12203280).

Almost surely, 2^120506205 is an apocalyptic number.

120506205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120506205 is a deficient number, since it is larger than the sum of its proper divisors (74746275).

120506205 is a wasteful number, since it uses less digits than its factorization.

120506205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101780.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120506205 is about 10977.5318264171. The cubic root of 120506205 is about 493.9350024030.

The spelling of 120506205 in words is "one hundred twenty million, five hundred six thousand, two hundred five".