101842 has 8 divisors (see below), whose sum is σ = 164556. Its totient is φ = 46992.

The previous prime is 101839. The next prime is 101863. The reversal of 101842 is 248101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101761 + 81 = 319^2 + 9^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933 + ... + 1984.

2¹⁰¹⁸⁴² is an apocalyptic number.

101842 is a deficient number, since it is larger than the sum of its proper divisors (62714).

101842 is a wasteful number, since it uses less digits than its factorization.

101842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 101842 is about 319.1269339934. The cubic root of 101842 is about 46.6991497200.

Adding to 101842 its reverse (248101), we get a palindrome (349943).

The spelling of 101842 in words is "one hundred one thousand, eight hundred forty-two".