1211043122 has 8 divisors (see below), whose sum is σ = 1823030172. Its totient is φ = 603366400.

The previous prime is 1211043121. The next prime is 1211043131. The reversal of 1211043122 is 2213401121.

It can be written as a sum of positive squares in 2 ways, for example, as 1111622281 + 99420841 = 33341^2 + 9971^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211043122.

It is not an unprimeable number, because it can be changed into a prime (1211043121) 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, 1076879 + ... + 1078002.

Almost surely, 2^1211043122 is an apocalyptic number.

1211043122 is a deficient number, since it is larger than the sum of its proper divisors (611987050).

1211043122 is a wasteful number, since it uses less digits than its factorization.

1211043122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155164.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1211043122 is about 34800.0448562929. The cubic root of 1211043122 is about 1065.9083618002.

Adding to 1211043122 its reverse (2213401121), we get a palindrome (3424444243).

The spelling of 1211043122 in words is "one billion, two hundred eleven million, forty-three thousand, one hundred twenty-two".