120800105 has 16 divisors (see below), whose sum is σ = 148587264. Its totient is φ = 94237440.

The previous prime is 120800089. The next prime is 120800107. The reversal of 120800105 is 501008021.

It is not a de Polignac number, because 120800105 - 2⁴ = 120800089 is a prime.

It is a super-2 number, since 2×120800105² = 29185330736022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120800107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77009 + ... + 78561.

It is an arithmetic number, because the mean of its divisors is an integer number (9286704).

Almost surely, 2^120800105 is an apocalyptic number.

It is an amenable number.

120800105 is a deficient number, since it is larger than the sum of its proper divisors (27787159).

120800105 is a wasteful number, since it uses less digits than its factorization.

120800105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 120800105 is about 10990.9101079028. The cubic root of 120800105 is about 494.3362255643.

Adding to 120800105 its reverse (501008021), we get a palindrome (621808126).

The spelling of 120800105 in words is "one hundred twenty million, eight hundred thousand, one hundred five".