1122378285 has 64 divisors (see below), whose sum is σ = 2094543360. Its totient is φ = 502640640.

The previous prime is 1122378247. The next prime is 1122378287. The reversal of 1122378285 is 5828732211.

It is not a de Polignac number, because 1122378285 - 2¹¹ = 1122376237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122378287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1386961 + ... + 1387769.

It is an arithmetic number, because the mean of its divisors is an integer number (32727240).

Almost surely, 2^1122378285 is an apocalyptic number.

1122378285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122378285 is a deficient number, since it is larger than the sum of its proper divisors (972165075).

1122378285 is a wasteful number, since it uses less digits than its factorization.

1122378285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its digits is 53760, while the sum is 39.

The square root of 1122378285 is about 33501.9146467780. The cubic root of 1122378285 is about 1039.2333739454.

The spelling of 1122378285 in words is "one billion, one hundred twenty-two million, three hundred seventy-eight thousand, two hundred eighty-five".