101873 has 2 divisors, whose sum is σ = 101874. Its totient is φ = 101872.

The previous prime is 101869. The next prime is 101879. The reversal of 101873 is 378101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73984 + 27889 = 272^2 + 167^2 .

It is an emirp because it is prime and its reverse (378101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101873 - 2² = 101869 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50936 + 50937.

It is an arithmetic number, because the mean of its divisors is an integer number (50937).

2¹⁰¹⁸⁷³ is an apocalyptic number.

It is an amenable number.

101873 is a deficient number, since it is larger than the sum of its proper divisors (1).

101873 is an equidigital number, since it uses as much as digits as its factorization.

101873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101873 is about 319.1755003129. The cubic root of 101873 is about 46.7038875387.

Adding to 101873 its reverse (378101), we get a palindrome (479974).

The spelling of 101873 in words is "one hundred one thousand, eight hundred seventy-three".