1206121122 has 12 divisors (see below), whose sum is σ = 2613262470. Its totient is φ = 402040368.

The previous prime is 1206121099. The next prime is 1206121141. The reversal of 1206121122 is 2211216021.

1206121122 is a `hidden beast` number, since 1 + 20 + 612 + 11 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1152670401 + 53450721 = 33951^2 + 7311^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67006729 = 1206121122 / (1 + 2 + 0 + 6 + 1 + 2 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1206121095 and 1206121104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33503347 + ... + 33503382.

Almost surely, 2^1206121122 is an apocalyptic number.

1206121122 is an abundant number, since it is smaller than the sum of its proper divisors (1407141348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206121122 is a wasteful number, since it uses less digits than its factorization.

1206121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67006737 (or 67006734 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1206121122 is about 34729.2545557776. The cubic root of 1206121122 is about 1064.4623564127.

Adding to 1206121122 its reverse (2211216021), we get a palindrome (3417337143).

The spelling of 1206121122 in words is "one billion, two hundred six million, one hundred twenty-one thousand, one hundred twenty-two".