120210105 has 16 divisors (see below), whose sum is σ = 194103360. Its totient is φ = 63523008.

The previous prime is 120210091. The next prime is 120210109. The reversal of 120210105 is 501012021.

It is not a de Polignac number, because 120210105 - 2⁴ = 120210089 is a prime.

It is a super-2 number, since 2×120210105² = 28900938688222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35127 + ... + 38396.

It is an arithmetic number, because the mean of its divisors is an integer number (12131460).

Almost surely, 2^120210105 is an apocalyptic number.

120210105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120210105 is a deficient number, since it is larger than the sum of its proper divisors (73893255).

120210105 is a wasteful number, since it uses less digits than its factorization.

120210105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73640.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 120210105 is about 10964.0368934075. The cubic root of 120210105 is about 493.5301156264.

Adding to 120210105 its reverse (501012021), we get a palindrome (621222126).

The spelling of 120210105 in words is "one hundred twenty million, two hundred ten thousand, one hundred five".