201172804 has 24 divisors (see below), whose sum is σ = 403099200. Its totient is φ = 86055456.

The previous prime is 201172801. The next prime is 201172813. The reversal of 201172804 is 408271102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201172801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9147 + ... + 22045.

It is an arithmetic number, because the mean of its divisors is an integer number (16795800).

Almost surely, 2^201172804 is an apocalyptic number.

It is an amenable number.

201172804 is an abundant number, since it is smaller than the sum of its proper divisors (201926396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201172804 is a wasteful number, since it uses less digits than its factorization.

201172804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13467 (or 13465 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 201172804 is about 14183.5398966549. The cubic root of 201172804 is about 585.9444204063.

The spelling of 201172804 in words is "two hundred one million, one hundred seventy-two thousand, eight hundred four".