1001224405 has 16 divisors (see below), whose sum is σ = 1217145600. Its totient is φ = 790585920.

The previous prime is 1001224369. The next prime is 1001224417. The reversal of 1001224405 is 5044221001.

It is not a de Polignac number, because 1001224405 - 2⁹ = 1001223893 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144306 + ... + 151084.

It is an arithmetic number, because the mean of its divisors is an integer number (76071600).

Almost surely, 2^1001224405 is an apocalyptic number.

It is an amenable number.

1001224405 is a deficient number, since it is larger than the sum of its proper divisors (215921195).

1001224405 is a wasteful number, since it uses less digits than its factorization.

1001224405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1001224405 is about 31642.1302222211. The cubic root of 1001224405 is about 1000.4079685390.

Adding to 1001224405 its reverse (5044221001), we get a palindrome (6045445406).

The spelling of 1001224405 in words is "one billion, one million, two hundred twenty-four thousand, four hundred five".