1201321204 has 6 divisors (see below), whose sum is σ = 2102312114. Its totient is φ = 600660600.

The previous prime is 1201321181. The next prime is 1201321223. The reversal of 1201321204 is 4021231021.

It can be written as a sum of positive squares in only one way, i.e., 1036968804 + 164352400 = 32202^2 + 12820^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 150165147 + ... + 150165154.

Almost surely, 2^1201321204 is an apocalyptic number.

It is an amenable number.

1201321204 is a deficient number, since it is larger than the sum of its proper divisors (900990910).

1201321204 is a wasteful number, since it uses less digits than its factorization.

1201321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300330305 (or 300330303 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1201321204 is about 34660.0808423754. The cubic root of 1201321204 is about 1063.0484230164.

Adding to 1201321204 its reverse (4021231021), we get a palindrome (5222552225).

The spelling of 1201321204 in words is "one billion, two hundred one million, three hundred twenty-one thousand, two hundred four".