102030102 has 12 divisors (see below), whose sum is σ = 221065260. Its totient is φ = 34010028.

The previous prime is 102030067. The next prime is 102030113. The reversal of 102030102 is 201030201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2834152 + ... + 2834187.

It is an arithmetic number, because the mean of its divisors is an integer number (18422105).

Almost surely, 2^102030102 is an apocalyptic number.

102030102 is an abundant number, since it is smaller than the sum of its proper divisors (119035158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102030102 is a wasteful number, since it uses less digits than its factorization.

102030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668347 (or 5668344 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 102030102 is about 10100.9950994939. The cubic root of 102030102 is about 467.2788312035.

Adding to 102030102 its reverse (201030201), we get a palindrome (303060303).

Subtracting 102030102 from its reverse (201030201), we obtain a palindrome (99000099).

The spelling of 102030102 in words is "one hundred two million, thirty thousand, one hundred two".