101862 has 12 divisors (see below), whose sum is σ = 220740. Its totient is φ = 33948.

The previous prime is 101839. The next prime is 101863. The reversal of 101862 is 268101.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5659 = 101862 / (1 + 0 + 1 + 8 + 6 + 2).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101863) by changing a digit.

101862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2812 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (18395).

2¹⁰¹⁸⁶² is an apocalyptic number.

101862 is an abundant number, since it is smaller than the sum of its proper divisors (118878).

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

101862 is a wasteful number, since it uses less digits than its factorization.

101862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 101862 is about 319.1582679487. The cubic root of 101862 is about 46.7022064872.

Adding to 101862 its reverse (268101), we get a palindrome (369963).

The spelling of 101862 in words is "one hundred one thousand, eight hundred sixty-two".