7020126445 has 4 divisors (see below), whose sum is σ = 8424151740. Its totient is φ = 5616101152.

The previous prime is 7020126433. The next prime is 7020126457. The reversal of 7020126445 is 5446210207.

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

It is an interprime number because it is at equal distance from previous prime (7020126433) and next prime (7020126457).

It can be written as a sum of positive squares in 2 ways, for example, as 2439273321 + 4580853124 = 49389^2 + 67682^2 .

It is a cyclic number.

It is not a de Polignac number, because 7020126445 - 2⁵ = 7020126413 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 702012640 + ... + 702012649.

It is an arithmetic number, because the mean of its divisors is an integer number (2106037935).

Almost surely, 2^7020126445 is an apocalyptic number.

It is an amenable number.

7020126445 is a deficient number, since it is larger than the sum of its proper divisors (1404025295).

7020126445 is a wasteful number, since it uses less digits than its factorization.

7020126445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404025294.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 7020126445 is about 83786.1948354262. The cubic root of 7020126445 is about 1914.7627858248.

The spelling of 7020126445 in words is "seven billion, twenty million, one hundred twenty-six thousand, four hundred forty-five".