201185430 has 16 divisors (see below), whose sum is σ = 482845104. Its totient is φ = 53649440.

The previous prime is 201185419. The next prime is 201185437. The reversal of 201185430 is 34581102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201185430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201185437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353061 + ... + 3353120.

It is an arithmetic number, because the mean of its divisors is an integer number (30177819).

Almost surely, 2^201185430 is an apocalyptic number.

201185430 is an abundant number, since it is smaller than the sum of its proper divisors (281659674).

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

201185430 is a wasteful number, since it uses less digits than its factorization.

201185430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706191.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 201185430 is about 14183.9849830716. The cubic root of 201185430 is about 585.9566784905.

The spelling of 201185430 in words is "two hundred one million, one hundred eighty-five thousand, four hundred thirty".