102100502 has 16 divisors (see below), whose sum is σ = 175212960. Its totient is φ = 43711488.

The previous prime is 102100451. The next prime is 102100513. The reversal of 102100502 is 205001201.

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, 12374 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (10950810).

Almost surely, 2^102100502 is an apocalyptic number.

102100502 is a deficient number, since it is larger than the sum of its proper divisors (73112458).

102100502 is a wasteful number, since it uses less digits than its factorization.

102100502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 102100502 is about 10104.4793037544. The cubic root of 102100502 is about 467.3862794495.

Adding to 102100502 its reverse (205001201), we get a palindrome (307101703).

The spelling of 102100502 in words is "one hundred two million, one hundred thousand, five hundred two".