102002263 has 16 divisors (see below), whose sum is σ = 118319616. Its totient is φ = 87012640.

The previous prime is 102002249. The next prime is 102002281. The reversal of 102002263 is 362200201.

It is not a de Polignac number, because 102002263 - 2²¹ = 99905111 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 (102002293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 17212.

It is an arithmetic number, because the mean of its divisors is an integer number (7394976).

Almost surely, 2^102002263 is an apocalyptic number.

102002263 is a deficient number, since it is larger than the sum of its proper divisors (16317353).

102002263 is a wasteful number, since it uses less digits than its factorization.

102002263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102002263 is about 10099.6169729352. The cubic root of 102002263 is about 467.2363281956.

Adding to 102002263 its reverse (362200201), we get a palindrome (464202464).

The spelling of 102002263 in words is "one hundred two million, two thousand, two hundred sixty-three".