120205005 has 16 divisors (see below), whose sum is σ = 193622400. Its totient is φ = 63677888.

The previous prime is 120204983. The next prime is 120205021. The reversal of 120205005 is 500502021.

It is a cyclic number.

It is not a de Polignac number, because 120205005 - 2⁶ = 120204941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24657 + ... + 29126.

It is an arithmetic number, because the mean of its divisors is an integer number (12101400).

Almost surely, 2^120205005 is an apocalyptic number.

120205005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120205005 is a deficient number, since it is larger than the sum of its proper divisors (73417395).

120205005 is a wasteful number, since it uses less digits than its factorization.

120205005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53940.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 120205005 is about 10963.8043123726. The cubic root of 120205005 is about 493.5231360712.

Adding to 120205005 its reverse (500502021), we get a palindrome (620707026).

The spelling of 120205005 in words is "one hundred twenty million, two hundred five thousand, five".