1122146065 has 4 divisors (see below), whose sum is σ = 1346575284. Its totient is φ = 897716848.

The previous prime is 1122146033. The next prime is 1122146071. The reversal of 1122146065 is 5606412211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 536941584 + 585204481 = 23172^2 + 24191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122146065 - 2⁵ = 1122146033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 112214602 + ... + 112214611.

It is an arithmetic number, because the mean of its divisors is an integer number (336643821).

Almost surely, 2^1122146065 is an apocalyptic number.

It is an amenable number.

1122146065 is a deficient number, since it is larger than the sum of its proper divisors (224429219).

1122146065 is an equidigital number, since it uses as much as digits as its factorization.

1122146065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224429218.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1122146065 is about 33498.4486954247. The cubic root of 1122146065 is about 1039.1616965609.

Adding to 1122146065 its reverse (5606412211), we get a palindrome (6728558276).

The spelling of 1122146065 in words is "one billion, one hundred twenty-two million, one hundred forty-six thousand, sixty-five".