120320105 has 4 divisors (see below), whose sum is σ = 144384132. Its totient is φ = 96256080.

The previous prime is 120320099. The next prime is 120320111. The reversal of 120320105 is 501023021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501023021 = 419 ⋅1195759.

It is an interprime number because it is at equal distance from previous prime (120320099) and next prime (120320111).

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 90421081 = 5468^2 + 9509^2 .

It is not a de Polignac number, because 120320105 - 2¹⁴ = 120303721 is a prime.

It is a super-2 number, since 2×120320105² = 28953855334422050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120320105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12032006 + ... + 12032015.

It is an arithmetic number, because the mean of its divisors is an integer number (36096033).

Almost surely, 2^120320105 is an apocalyptic number.

It is an amenable number.

120320105 is a deficient number, since it is larger than the sum of its proper divisors (24064027).

120320105 is an equidigital number, since it uses as much as digits as its factorization.

120320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24064026.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 120320105 is about 10969.0521468357. The cubic root of 120320105 is about 493.6806070293.

Adding to 120320105 its reverse (501023021), we get a palindrome (621343126).

The spelling of 120320105 in words is "one hundred twenty million, three hundred twenty thousand, one hundred five".