100418 has 16 divisors (see below), whose sum is σ = 164160. Its totient is φ = 45936.

The previous prime is 100417. The next prime is 100447. The reversal of 100418 is 814001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹⁰⁰⁴¹⁸ is an apocalyptic number.

100418 is a deficient number, since it is larger than the sum of its proper divisors (63742).

100418 is a wasteful number, since it uses less digits than its factorization.

100418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 100418 is about 316.8879928303. The cubic root of 100418 is about 46.4804712384.

Adding to 100418 its reverse (814001), we get a palindrome (914419).

The spelling of 100418 in words is "one hundred thousand, four hundred eighteen".