121201204 has 6 divisors (see below), whose sum is σ = 212102114. Its totient is φ = 60600600.

The previous prime is 121201193. The next prime is 121201217. The reversal of 121201204 is 402102121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 25200400 = 9798^2 + 5020^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15150147 + ... + 15150154.

Almost surely, 2^121201204 is an apocalyptic number.

It is an amenable number.

121201204 is a deficient number, since it is larger than the sum of its proper divisors (90900910).

121201204 is a wasteful number, since it uses less digits than its factorization.

121201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30300305 (or 30300303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121201204 is about 11009.1418375821. The cubic root of 121201204 is about 494.8827447331.

Adding to 121201204 its reverse (402102121), we get a palindrome (523303325).

It can be divided in two parts, 12 and 1201204, that added together give a square (1201216 = 1096²).

The spelling of 121201204 in words is "one hundred twenty-one million, two hundred one thousand, two hundred four".