1122785426 has 8 divisors (see below), whose sum is σ = 1924775040. Its totient is φ = 481193748.

The previous prime is 1122785423. The next prime is 1122785437. The reversal of 1122785426 is 6245872211.

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

It is a super-2 number, since 2×1122785426² = 2521294225676002952, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122785426.

It is not an unprimeable number, because it can be changed into a prime (1122785423) 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 3 ways as a sum of consecutive naturals, for example, 40099466 + ... + 40099493.

It is an arithmetic number, because the mean of its divisors is an integer number (240596880).

Almost surely, 2^1122785426 is an apocalyptic number.

1122785426 is a deficient number, since it is larger than the sum of its proper divisors (801989614).

1122785426 is an equidigital number, since it uses as much as digits as its factorization.

1122785426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80198968.

The product of its digits is 53760, while the sum is 38.

The square root of 1122785426 is about 33507.9904798840. The cubic root of 1122785426 is about 1039.3590188579.

It can be divided in two parts, 1122785 and 426, that added together give a palindrome (1123211).

The spelling of 1122785426 in words is "one billion, one hundred twenty-two million, seven hundred eighty-five thousand, four hundred twenty-six".