445120007 has 4 divisors (see below), whose sum is σ = 445375680. Its totient is φ = 444864336.

The previous prime is 445119977. The next prime is 445120019. The reversal of 445120007 is 700021544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445120007 - 2¹⁰ = 445118983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445120037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125207 + ... + 128712.

It is an arithmetic number, because the mean of its divisors is an integer number (111343920).

Almost surely, 2^445120007 is an apocalyptic number.

445120007 is a deficient number, since it is larger than the sum of its proper divisors (255673).

445120007 is a wasteful number, since it uses less digits than its factorization.

445120007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255672.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 445120007 is about 21097.8673566785. The cubic root of 445120007 is about 763.5292956624.

The spelling of 445120007 in words is "four hundred forty-five million, one hundred twenty thousand, seven".