120520105 has 8 divisors (see below), whose sum is σ = 145008000. Its totient is φ = 96160176.

The previous prime is 120520087. The next prime is 120520121. The reversal of 120520105 is 501025021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120520105 - 2⁵ = 120520073 is a prime.

It is a super-2 number, since 2×120520105² = 29050191418422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29905 + ... + 33694.

It is an arithmetic number, because the mean of its divisors is an integer number (18126000).

Almost surely, 2^120520105 is an apocalyptic number.

It is an amenable number.

120520105 is a deficient number, since it is larger than the sum of its proper divisors (24487895).

120520105 is an equidigital number, since it uses as much as digits as its factorization.

120520105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63983.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 120520105 is about 10978.1649195118. The cubic root of 120520105 is about 493.9539929399.

Adding to 120520105 its reverse (501025021), we get a palindrome (621545126).

The spelling of 120520105 in words is "one hundred twenty million, five hundred twenty thousand, one hundred five".