1201122002 has 8 divisors (see below), whose sum is σ = 1810829196. Its totient is φ = 597512272.

The previous prime is 1201121963. The next prime is 1201122023. The reversal of 1201122002 is 2002211021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 797554081 + 403567921 = 28241^2 + 20089^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523873 + ... + 1524660.

Almost surely, 2^1201122002 is an apocalyptic number.

1201122002 is a deficient number, since it is larger than the sum of its proper divisors (609707194).

1201122002 is a wasteful number, since it uses less digits than its factorization.

1201122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048732.

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

The square root of 1201122002 is about 34657.2070715457. The cubic root of 1201122002 is about 1062.9896618577.

Adding to 1201122002 its reverse (2002211021), we get a palindrome (3203333023).

The spelling of 1201122002 in words is "one billion, two hundred one million, one hundred twenty-two thousand, two".