101918 has 8 divisors (see below), whose sum is σ = 154440. Its totient is φ = 50440.

The previous prime is 101917. The next prime is 101921. The reversal of 101918 is 819101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (19305).

2¹⁰¹⁹¹⁸ is an apocalyptic number.

101918 is a deficient number, since it is larger than the sum of its proper divisors (52522).

101918 is a wasteful number, since it uses less digits than its factorization.

101918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 101918 is about 319.2459866623. The cubic root of 101918 is about 46.7107633074.

The spelling of 101918 in words is "one hundred one thousand, nine hundred eighteen".