102200287 has 6 divisors (see below), whose sum is σ = 116830904. Its totient is φ = 87577320.

The previous prime is 102200279. The next prime is 102200303. The reversal of 102200287 is 782002201.

It is not a de Polignac number, because 102200287 - 2³ = 102200279 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 (102200227) 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, 24837 + ... + 28657.

Almost surely, 2^102200287 is an apocalyptic number.

102200287 is a deficient number, since it is larger than the sum of its proper divisors (14630617).

102200287 is an frugal number, since it uses more digits than its factorization.

102200287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 102200287 is about 10109.4157595778. The cubic root of 102200287 is about 467.5384920693.

Multiplying 102200287 by its product of nonzero digits (448), we get a square (45785728576 = 213976²).

Adding to 102200287 its reverse (782002201), we get a palindrome (884202488).

The spelling of 102200287 in words is "one hundred two million, two hundred thousand, two hundred eighty-seven".