106851 has 4 divisors (see below), whose sum is σ = 142472. Its totient is φ = 71232.

The previous prime is 106823. The next prime is 106853. The reversal of 106851 is 158601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106851 - 2⁶ = 106787 is a prime.

It is a super-2 number, since 2×106851² = 22834272402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106853) 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, 17806 + ... + 17811.

It is an arithmetic number, because the mean of its divisors is an integer number (35618).

2¹⁰⁶⁸⁵¹ is an apocalyptic number.

106851 is a deficient number, since it is larger than the sum of its proper divisors (35621).

106851 is an equidigital number, since it uses as much as digits as its factorization.

106851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35620.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 106851 is about 326.8807121872. The cubic root of 106851 is about 47.4525472548.

The spelling of 106851 in words is "one hundred six thousand, eight hundred fifty-one".