120673505 has 4 divisors (see below), whose sum is σ = 144808212. Its totient is φ = 96538800.

The previous prime is 120673489. The next prime is 120673507. The reversal of 120673505 is 505376021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505376021 = 1493 ⋅338497.

It can be written as a sum of positive squares in 2 ways, for example, as 51251281 + 69422224 = 7159^2 + 8332^2 .

It is not a de Polignac number, because 120673505 - 2⁴ = 120673489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120673507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12067346 + ... + 12067355.

It is an arithmetic number, because the mean of its divisors is an integer number (36202053).

Almost surely, 2^120673505 is an apocalyptic number.

It is an amenable number.

120673505 is a deficient number, since it is larger than the sum of its proper divisors (24134707).

120673505 is an equidigital number, since it uses as much as digits as its factorization.

120673505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24134706.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 120673505 is about 10985.1492934780. The cubic root of 120673505 is about 494.1634750481.

The spelling of 120673505 in words is "one hundred twenty million, six hundred seventy-three thousand, five hundred five".