102002255 has 8 divisors (see below), whose sum is σ = 123087600. Its totient is φ = 81145216.

The previous prime is 102002249. The next prime is 102002281. The reversal of 102002255 is 552200201.

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

It is a cyclic number.

It is not a de Polignac number, because 102002255 - 2⁶ = 102002191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56090 + ... + 57879.

It is an arithmetic number, because the mean of its divisors is an integer number (15385950).

Almost surely, 2^102002255 is an apocalyptic number.

102002255 is a deficient number, since it is larger than the sum of its proper divisors (21085345).

102002255 is a wasteful number, since it uses less digits than its factorization.

102002255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114153.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 102002255 is about 10099.6165768805. The cubic root of 102002255 is about 467.2363159805.

Adding to 102002255 its reverse (552200201), we get a palindrome (654202456).

The spelling of 102002255 in words is "one hundred two million, two thousand, two hundred fifty-five".