1122378305 has 8 divisors (see below), whose sum is σ = 1366956672. Its totient is φ = 884500848.

The previous prime is 1122378289. The next prime is 1122378307. The reversal of 1122378305 is 5038732211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122378305 - 2⁴ = 1122378289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122378307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674857 + ... + 1675526.

It is an arithmetic number, because the mean of its divisors is an integer number (170869584).

Almost surely, 2^1122378305 is an apocalyptic number.

It is an amenable number.

1122378305 is a deficient number, since it is larger than the sum of its proper divisors (244578367).

1122378305 is an equidigital number, since it uses as much as digits as its factorization.

1122378305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350455.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1122378305 is about 33501.9149452684. The cubic root of 1122378305 is about 1039.2333801182.

The spelling of 1122378305 in words is "one billion, one hundred twenty-two million, three hundred seventy-eight thousand, three hundred five".