120105135 has 12 divisors (see below), whose sum is σ = 208182312. Its totient is φ = 64056048.

The previous prime is 120105079. The next prime is 120105143. The reversal of 120105135 is 531501021.

It is not a de Polignac number, because 120105135 - 2⁸ = 120104879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334457 + ... + 1334546.

It is an arithmetic number, because the mean of its divisors is an integer number (17348526).

Almost surely, 2^120105135 is an apocalyptic number.

120105135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120105135 is a deficient number, since it is larger than the sum of its proper divisors (88077177).

120105135 is a wasteful number, since it uses less digits than its factorization.

120105135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669014 (or 2669011 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 120105135 is about 10959.2488337477. The cubic root of 120105135 is about 493.3864201556.

Adding to 120105135 its reverse (531501021), we get a palindrome (651606156).

The spelling of 120105135 in words is "one hundred twenty million, one hundred five thousand, one hundred thirty-five".