102405230 has 8 divisors (see below), whose sum is σ = 184329432. Its totient is φ = 40962088.

The previous prime is 102405181. The next prime is 102405271. The reversal of 102405230 is 32504201.

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

It is a super-2 number, since 2×102405230² = 20973662262705800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102405199 and 102405208.

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 3 ways as a sum of consecutive naturals, for example, 5120252 + ... + 5120271.

It is an arithmetic number, because the mean of its divisors is an integer number (23041179).

Almost surely, 2^102405230 is an apocalyptic number.

102405230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102405230 is a deficient number, since it is larger than the sum of its proper divisors (81924202).

102405230 is a wasteful number, since it uses less digits than its factorization.

102405230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240530.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102405230 is about 10119.5469266168. The cubic root of 102405230 is about 467.8508028809.

Adding to 102405230 its reverse (32504201), we get a palindrome (134909431).

The spelling of 102405230 in words is "one hundred two million, four hundred five thousand, two hundred thirty".