102415102 has 4 divisors (see below), whose sum is σ = 153622656. Its totient is φ = 51207550.

The previous prime is 102415081. The next prime is 102415129. The reversal of 102415102 is 201514201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25603774 + ... + 25603777.

It is an arithmetic number, because the mean of its divisors is an integer number (38405664).

Almost surely, 2^102415102 is an apocalyptic number.

102415102 is a deficient number, since it is larger than the sum of its proper divisors (51207554).

102415102 is an equidigital number, since it uses as much as digits as its factorization.

102415102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51207553.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102415102 is about 10120.0346837350. The cubic root of 102415102 is about 467.8658362105.

Adding to 102415102 its reverse (201514201), we get a palindrome (303929303).

Subtracting 102415102 from its reverse (201514201), we obtain a palindrome (99099099).

The spelling of 102415102 in words is "one hundred two million, four hundred fifteen thousand, one hundred two".