207131200 has 42 divisors (see below), whose sum is σ = 509676146. Its totient is φ = 82851840.

The previous prime is 207131191. The next prime is 207131201. The reversal of 207131200 is 2131702.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 61591104 + 145540096 = 7848^2 + 12064^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (207131201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63129 + ... + 66328.

Almost surely, 2^207131200 is an apocalyptic number.

207131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207131200 is an abundant number, since it is smaller than the sum of its proper divisors (302544946).

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

207131200 is a wasteful number, since it uses less digits than its factorization.

207131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129479 (or 129464 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 207131200 is about 14392.0533628805. The cubic root of 207131200 is about 591.6731212239.

Adding to 207131200 its reverse (2131702), we get a palindrome (209262902).

The spelling of 207131200 in words is "two hundred seven million, one hundred thirty-one thousand, two hundred".