120105126063 has 24 divisors (see below), whose sum is σ = 187438819568. Its totient is φ = 73670072832.

The previous prime is 120105126049. The next prime is 120105126067. The reversal of 120105126063 is 360621501021.

120105126063 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 0 + 51 + 2 + 606 + 3 = 666.

It is not a de Polignac number, because 120105126063 - 2⁴ = 120105126047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120105126067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1635970 + ... + 1707807.

Almost surely, 2^120105126063 is an apocalyptic number.

120105126063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120105126063 is a deficient number, since it is larger than the sum of its proper divisors (67333693505).

120105126063 is a wasteful number, since it uses less digits than its factorization.

120105126063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344103 (or 3344100 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 120105126063 its reverse (360621501021), we get a palindrome (480726627084).

The spelling of 120105126063 in words is "one hundred twenty billion, one hundred five million, one hundred twenty-six thousand, sixty-three".