7121204 has 6 divisors (see below), whose sum is σ = 12462114. Its totient is φ = 3560600.

The previous prime is 7121203. The next prime is 7121209. The reversal of 7121204 is 4021217.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 204304 = 2630^2 + 452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890147 + ... + 890154.

It is an arithmetic number, because the mean of its divisors is an integer number (2077019).

Almost surely, 2^7121204 is an apocalyptic number.

It is an amenable number.

7121204 is a deficient number, since it is larger than the sum of its proper divisors (5340910).

7121204 is a wasteful number, since it uses less digits than its factorization.

7121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780305 (or 1780303 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7121204 is about 2668.5584123268. The cubic root of 7121204 is about 192.3908776037.

The spelling of 7121204 in words is "seven million, one hundred twenty-one thousand, two hundred four".