1001124445 has 4 divisors (see below), whose sum is σ = 1201349340. Its totient is φ = 800899552.

The previous prime is 1001124431. The next prime is 1001124461. The reversal of 1001124445 is 5444211001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 346071609 + 655052836 = 18603^2 + 25594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001124445 - 2⁹ = 1001123933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100112440 + ... + 100112449.

It is an arithmetic number, because the mean of its divisors is an integer number (300337335).

Almost surely, 2^1001124445 is an apocalyptic number.

It is an amenable number.

1001124445 is a deficient number, since it is larger than the sum of its proper divisors (200224895).

1001124445 is an equidigital number, since it uses as much as digits as its factorization.

1001124445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200224894.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1001124445 is about 31640.5506431225. The cubic root of 1001124445 is about 1000.3746746014.

Adding to 1001124445 its reverse (5444211001), we get a palindrome (6445335446).

The spelling of 1001124445 in words is "one billion, one million, one hundred twenty-four thousand, four hundred forty-five".