101798 has 8 divisors (see below), whose sum is σ = 159408. Its totient is φ = 48664.

The previous prime is 101797. The next prime is 101807. The reversal of 101798 is 897101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101797) 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, 1061 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (19926).

2¹⁰¹⁷⁹⁸ is an apocalyptic number.

101798 is a deficient number, since it is larger than the sum of its proper divisors (57610).

101798 is a wasteful number, since it uses less digits than its factorization.

101798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 101798 is about 319.0579884598. The cubic root of 101798 is about 46.6924234232.

Adding to 101798 its reverse (897101), we get a palindrome (998899).

The spelling of 101798 in words is "one hundred one thousand, seven hundred ninety-eight".