1201200122 has 8 divisors (see below), whose sum is σ = 1802234676. Its totient is φ = 600455232.

The previous prime is 1201200113. The next prime is 1201200151. The reversal of 1201200122 is 2210021021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1181228161 + 19971961 = 34369^2 + 4469^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61733 + ... + 78824.

Almost surely, 2^1201200122 is an apocalyptic number.

1201200122 is a deficient number, since it is larger than the sum of its proper divisors (601034554).

1201200122 is a wasteful number, since it uses less digits than its factorization.

1201200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144832.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201200122 is about 34658.3340915284. The cubic root of 1201200122 is about 1063.0127066864.

Adding to 1201200122 its reverse (2210021021), we get a palindrome (3411221143).

The spelling of 1201200122 in words is "one billion, two hundred one million, two hundred thousand, one hundred twenty-two".