102418 has 8 divisors (see below), whose sum is σ = 157500. Its totient is φ = 49920.

The previous prime is 102409. The next prime is 102433. The reversal of 102418 is 814201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 10609 = 303^2 + 103^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 706.

2¹⁰²⁴¹⁸ is an apocalyptic number.

102418 is a deficient number, since it is larger than the sum of its proper divisors (55082).

102418 is a wasteful number, since it uses less digits than its factorization.

102418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 102418 is about 320.0281237641. The cubic root of 102418 is about 46.7870249174.

Adding to 102418 its reverse (814201), we get a palindrome (916619).

The spelling of 102418 in words is "one hundred two thousand, four hundred eighteen".