106820539 has 12 divisors (see below), whose sum is σ = 127293768. Its totient is φ = 89325600.

The previous prime is 106820521. The next prime is 106820573. The reversal of 106820539 is 935028601.

It is not a de Polignac number, because 106820539 - 2⁷ = 106820411 is a prime.

It is a super-2 number, since 2×106820539² = 22821255104501042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106820509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24577 + ... + 28594.

It is an arithmetic number, because the mean of its divisors is an integer number (10607814).

Almost surely, 2^106820539 is an apocalyptic number.

106820539 is a deficient number, since it is larger than the sum of its proper divisors (20473229).

106820539 is an equidigital number, since it uses as much as digits as its factorization.

106820539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53226 (or 53219 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 106820539 is about 10335.4022176208. The cubic root of 106820539 is about 474.4803758110.

The spelling of 106820539 in words is "one hundred six million, eight hundred twenty thousand, five hundred thirty-nine".