1122440005 has 16 divisors (see below), whose sum is σ = 1362265344. Its totient is φ = 887785920.

The previous prime is 1122440003. The next prime is 1122440023. The reversal of 1122440005 is 5000442211.

It is not a de Polignac number, because 1122440005 - 2¹ = 1122440003 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 (1122440003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157060 + ... + 164050.

It is an arithmetic number, because the mean of its divisors is an integer number (85141584).

Almost surely, 2^1122440005 is an apocalyptic number.

It is an amenable number.

1122440005 is a deficient number, since it is larger than the sum of its proper divisors (239825339).

1122440005 is a wasteful number, since it uses less digits than its factorization.

1122440005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

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

The square root of 1122440005 is about 33502.8357754982. The cubic root of 1122440005 is about 1039.2524228731.

Adding to 1122440005 its reverse (5000442211), we get a palindrome (6122882216).

The spelling of 1122440005 in words is "one billion, one hundred twenty-two million, four hundred forty thousand, five".