120100105 has 8 divisors (see below), whose sum is σ = 146563200. Its totient is φ = 94451376.

The previous prime is 120100103. The next prime is 120100139. The reversal of 120100105 is 501001021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120100105 - 2¹ = 120100103 is a prime.

It is a super-2 number, since 2×120100105² = 28848070442022050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120100091 and 120100100.

It is not an unprimeable number, because it can be changed into a prime (120100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203265 + ... + 203854.

It is an arithmetic number, because the mean of its divisors is an integer number (18320400).

Almost surely, 2^120100105 is an apocalyptic number.

It is an amenable number.

120100105 is a deficient number, since it is larger than the sum of its proper divisors (26463095).

120100105 is an equidigital number, since it uses as much as digits as its factorization.

120100105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407183.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 120100105 is about 10959.0193448137. The cubic root of 120100105 is about 493.3795323892.

Adding to 120100105 its reverse (501001021), we get a palindrome (621101126).

The spelling of 120100105 in words is "one hundred twenty million, one hundred thousand, one hundred five".