101872 has 10 divisors (see below), whose sum is σ = 197408.
Its totient is φ = 50928.
The previous prime is 101869. The next prime is 101873. The reversal of 101872 is 278101.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101873) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3168 + ... + 3199.
2101872 is an apocalyptic number.
It is an amenable number.
101872 is a deficient number, since it is larger than the sum of its proper divisors (95536).
101872 is an equidigital number, since it uses as much as digits as its factorization.
101872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6375 (or 6369 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 19.
The square root of 101872 is about 319.1739337728.
The cubic root of 101872 is about 46.7037347208.
Adding to 101872 its reverse (278101), we get a palindrome (379973).
The spelling of 101872 in words is "one hundred one thousand, eight hundred seventy-two".