1201022608 has 20 divisors (see below), whose sum is σ = 2327540140. Its totient is φ = 600367104.

The previous prime is 1201022597. The next prime is 1201022609. The reversal of 1201022608 is 8062201021.

It can be written as a sum of positive squares in 2 ways, for example, as 374345104 + 826677504 = 19348^2 + 28752^2 .

It is not an unprimeable number, because it can be changed into a prime (1201022609) 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, 98716 + ... + 110212.

It is an arithmetic number, because the mean of its divisors is an integer number (116377007).

Almost surely, 2^1201022608 is an apocalyptic number.

It is an amenable number.

1201022608 is a deficient number, since it is larger than the sum of its proper divisors (1126517532).

1201022608 is a wasteful number, since it uses less digits than its factorization.

1201022608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18034 (or 18028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1201022608 is about 34655.7730832830. The cubic root of 1201022608 is about 1062.9603399102.

Adding to 1201022608 its reverse (8062201021), we get a palindrome (9263223629).

The spelling of 1201022608 in words is "one billion, two hundred one million, twenty-two thousand, six hundred eight".