101938 has 4 divisors (see below), whose sum is σ = 152910. Its totient is φ = 50968.

The previous prime is 101929. The next prime is 101939. The reversal of 101938 is 839101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839101 = 487 ⋅1723.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 3969 = 313^2 + 63^2 .

It is not an unprimeable number, because it can be changed into a prime (101939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25483 + ... + 25486.

2¹⁰¹⁹³⁸ is an apocalyptic number.

101938 is a deficient number, since it is larger than the sum of its proper divisors (50972).

101938 is an equidigital number, since it uses as much as digits as its factorization.

101938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50971.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 101938 is about 319.2773089338. The cubic root of 101938 is about 46.7138185550.

It can be divided in two parts, 10193 and 8, that added together give a palindrome (10201).

The spelling of 101938 in words is "one hundred one thousand, nine hundred thirty-eight".