1200000122 has 8 divisors (see below), whose sum is σ = 1800161172. Its totient is φ = 599946400.

The previous prime is 1200000121. The next prime is 1200000133. The reversal of 1200000122 is 2210000021.

It can be written as a sum of positive squares in 2 ways, for example, as 977125081 + 222875041 = 31259^2 + 14929^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1200000121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12872 + ... + 50652.

Almost surely, 2^1200000122 is an apocalyptic number.

1200000122 is a deficient number, since it is larger than the sum of its proper divisors (600161050).

1200000122 is a wasteful number, since it uses less digits than its factorization.

1200000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53664.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200000122 is about 34641.0179122958. The cubic root of 1200000122 is about 1062.6586051949.

Adding to 1200000122 its reverse (2210000021), we get a palindrome (3410000143).

The spelling of 1200000122 in words is "one billion, two hundred million, one hundred twenty-two", and thus it is an aban number.