101598 has 32 divisors (see below), whose sum is σ = 241920. Its totient is φ = 27840.

The previous prime is 101581. The next prime is 101599. The reversal of 101598 is 895101.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2¹⁰¹⁵⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960).

101598 is an abundant number, since it is smaller than the sum of its proper divisors (140322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101598 is a wasteful number, since it uses less digits than its factorization.

101598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 101598 is about 318.7444117157. The cubic root of 101598 is about 46.6618248945.

Adding to 101598 its reverse (895101), we get a palindrome (996699).

The spelling of 101598 in words is "one hundred one thousand, five hundred ninety-eight".