106478 has 4 divisors (see below), whose sum is σ = 159720. Its totient is φ = 53238.

The previous prime is 106453. The next prime is 106487. The reversal of 106478 is 874601.

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

It is a super-2 number, since 2×106478² = 22675128968, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 106478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26618 + ... + 26621.

It is an arithmetic number, because the mean of its divisors is an integer number (39930).

2¹⁰⁶⁴⁷⁸ is an apocalyptic number.

106478 is a deficient number, since it is larger than the sum of its proper divisors (53242).

106478 is an equidigital number, since it uses as much as digits as its factorization.

106478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53241.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 106478 is about 326.3096688730. The cubic root of 106478 is about 47.3972664248.

The spelling of 106478 in words is "one hundred six thousand, four hundred seventy-eight".