120956105 has 24 divisors (see below), whose sum is σ = 156505608. Its totient is φ = 89430528.

The previous prime is 120956089. The next prime is 120956111. The reversal of 120956105 is 501659021.

It can be written as a sum of positive squares in 4 ways, for example, as 4596736 + 116359369 = 2144^2 + 10787^2 .

It is not a de Polignac number, because 120956105 - 2⁴ = 120956089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381407 + ... + 381723.

It is an arithmetic number, because the mean of its divisors is an integer number (6521067).

Almost surely, 2^120956105 is an apocalyptic number.

It is an amenable number.

120956105 is a deficient number, since it is larger than the sum of its proper divisors (35549503).

120956105 is an equidigital number, since it uses as much as digits as its factorization.

120956105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 120956105 is about 10998.0045917430. The cubic root of 120956105 is about 494.5489275847.

The spelling of 120956105 in words is "one hundred twenty million, nine hundred fifty-six thousand, one hundred five".