102288215 has 16 divisors (see below), whose sum is σ = 125884800. Its totient is φ = 79752960.

The previous prime is 102288203. The next prime is 102288247. The reversal of 102288215 is 512882201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-102288215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65261 + ... + 66809.

It is an arithmetic number, because the mean of its divisors is an integer number (7867800).

Almost surely, 2^102288215 is an apocalyptic number.

102288215 is a deficient number, since it is larger than the sum of its proper divisors (23596585).

102288215 is a wasteful number, since it uses less digits than its factorization.

102288215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 102288215 is about 10113.7636416915. The cubic root of 102288215 is about 467.6725358565.

The spelling of 102288215 in words is "one hundred two million, two hundred eighty-eight thousand, two hundred fifteen".