120105124 has 24 divisors (see below), whose sum is σ = 218453760. Its totient is φ = 57709344.

The previous prime is 120105079. The next prime is 120105143. The reversal of 120105124 is 421501021.

It is a super-2 number, since 2×120105124² = 28850481622110752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120105098 and 120105107.

It is an unprimeable number.

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, 23547 + ... + 28189.

It is an arithmetic number, because the mean of its divisors is an integer number (9102240).

Almost surely, 2^120105124 is an apocalyptic number.

It is an amenable number.

120105124 is a deficient number, since it is larger than the sum of its proper divisors (98348636).

120105124 is a wasteful number, since it uses less digits than its factorization.

120105124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899 (or 4897 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 120105124 is about 10959.2483318885. The cubic root of 120105124 is about 493.3864050931.

Adding to 120105124 its reverse (421501021), we get a palindrome (541606145).

The spelling of 120105124 in words is "one hundred twenty million, one hundred five thousand, one hundred twenty-four".