120105195 has 64 divisors (see below), whose sum is σ = 234952704. Its totient is φ = 51194880.

The previous prime is 120105143. The next prime is 120105197. The reversal of 120105195 is 591501021.

It is not a de Polignac number, because 120105195 - 2⁹ = 120104683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120105197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98409 + ... + 99621.

It is an arithmetic number, because the mean of its divisors is an integer number (3671136).

Almost surely, 2^120105195 is an apocalyptic number.

120105195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120105195 is a deficient number, since it is larger than the sum of its proper divisors (114847509).

120105195 is a wasteful number, since it uses less digits than its factorization.

120105195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 120105195 is about 10959.2515711612. The cubic root of 120105195 is about 493.3865023147.

It can be divided in two parts, 12010 and 5195, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 120105195 in words is "one hundred twenty million, one hundred five thousand, one hundred ninety-five".