201247207 has 16 divisors (see below), whose sum is σ = 246620160. Its totient is φ = 160288128.

The previous prime is 201247187. The next prime is 201247283. The reversal of 201247207 is 702742102.

It is not a de Polignac number, because 201247207 - 2¹⁹ = 200722919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201247807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303 + ... + 20104.

It is an arithmetic number, because the mean of its divisors is an integer number (15413760).

Almost surely, 2^201247207 is an apocalyptic number.

201247207 is a deficient number, since it is larger than the sum of its proper divisors (45372953).

201247207 is a wasteful number, since it uses less digits than its factorization.

201247207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 201247207 is about 14186.1625184544. The cubic root of 201247207 is about 586.0166479446.

Adding to 201247207 its reverse (702742102), we get a palindrome (903989309).

The spelling of 201247207 in words is "two hundred one million, two hundred forty-seven thousand, two hundred seven".