207124113 has 32 divisors (see below), whose sum is σ = 334643200. Its totient is φ = 111430080.

The previous prime is 207124109. The next prime is 207124117. The reversal of 207124113 is 311421702.

It is an interprime number because it is at equal distance from previous prime (207124109) and next prime (207124117).

It is not a de Polignac number, because 207124113 - 2² = 207124109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

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 207124113.

It is not an unprimeable number, because it can be changed into a prime (207124117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19788 + ... + 28386.

It is an arithmetic number, because the mean of its divisors is an integer number (10457600).

Almost surely, 2^207124113 is an apocalyptic number.

It is an amenable number.

207124113 is a deficient number, since it is larger than the sum of its proper divisors (127519087).

207124113 is a wasteful number, since it uses less digits than its factorization.

207124113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 207124113 is about 14391.8071485134. The cubic root of 207124113 is about 591.6663731092. Note that the first 3 decimals are identical.

Adding to 207124113 its reverse (311421702), we get a palindrome (518545815).

The spelling of 207124113 in words is "two hundred seven million, one hundred twenty-four thousand, one hundred thirteen".