10200087 has 10 divisors (see below), whose sum is σ = 15237288. Its totient is φ = 6800004.

The previous prime is 10200079. The next prime is 10200089. The reversal of 10200087 is 78000201.

10200087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10200087 - 2³ = 10200079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200089) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62883 + ... + 63044.

Almost surely, 2^10200087 is an apocalyptic number.

10200087 is a deficient number, since it is larger than the sum of its proper divisors (5037201).

10200087 is an equidigital number, since it uses as much as digits as its factorization.

10200087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125939 (or 125930 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 10200087 is about 3193.7575048836. The cubic root of 10200087 is about 216.8709051153.

Adding to 10200087 its reverse (78000201), we get a palindrome (88200288).

The spelling of 10200087 in words is "ten million, two hundred thousand, eighty-seven".