120272005 has 16 divisors (see below), whose sum is σ = 165216384. Its totient is φ = 82336320.

The previous prime is 120271993. The next prime is 120272011. The reversal of 120272005 is 500272021.

It is not a de Polignac number, because 120272005 - 2⁵ = 120271973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21699 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (10326024).

Almost surely, 2^120272005 is an apocalyptic number.

It is an amenable number.

120272005 is a deficient number, since it is larger than the sum of its proper divisors (44944379).

120272005 is an equidigital number, since it uses as much as digits as its factorization.

120272005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 120272005 is about 10966.8593954696. The cubic root of 120272005 is about 493.6148125327.

The spelling of 120272005 in words is "one hundred twenty million, two hundred seventy-two thousand, five".