1122341985 has 12 divisors (see below), whose sum is σ = 1945392852. Its totient is φ = 598582368.

The previous prime is 1122341981. The next prime is 1122342007. The reversal of 1122341985 is 5891432211.

1122341985 is a `hidden beast` number, since 11 + 223 + 419 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 460875024 + 661466961 = 21468^2 + 25719^2 .

It is not a de Polignac number, because 1122341985 - 2² = 1122341981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122341981) 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 11 ways as a sum of consecutive naturals, for example, 12470422 + ... + 12470511.

It is an arithmetic number, because the mean of its divisors is an integer number (162116071).

Almost surely, 2^1122341985 is an apocalyptic number.

1122341985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122341985 is a deficient number, since it is larger than the sum of its proper divisors (823050867).

1122341985 is a wasteful number, since it uses less digits than its factorization.

1122341985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24940944 (or 24940941 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1122341985 is about 33501.3728823163. The cubic root of 1122341985 is about 1039.2221701833. Note that the first 3 decimals are identical.

The spelling of 1122341985 in words is "one billion, one hundred twenty-two million, three hundred forty-one thousand, nine hundred eighty-five".