102244287 has 8 divisors (see below), whose sum is σ = 136377904. Its totient is φ = 68136768.

The previous prime is 102244253. The next prime is 102244291. The reversal of 102244287 is 782442201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102244287 - 2⁷ = 102244159 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 (102244237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6123 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (17047238).

Almost surely, 2^102244287 is an apocalyptic number.

102244287 is a deficient number, since it is larger than the sum of its proper divisors (34133617).

102244287 is an equidigital number, since it uses as much as digits as its factorization.

102244287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 102244287 is about 10111.5917144632. The cubic root of 102244287 is about 467.6055784501.

Adding to 102244287 its reverse (782442201), we get a palindrome (884686488).

The spelling of 102244287 in words is "one hundred two million, two hundred forty-four thousand, two hundred eighty-seven".