106520782 has 4 divisors (see below), whose sum is σ = 159781176. Its totient is φ = 53260390.

The previous prime is 106520779. The next prime is 106520809. The reversal of 106520782 is 287025601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287025601 = 1433 ⋅200297.

It is a super-2 number, since 2×106520782² = 22693353995783048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 26630194 + ... + 26630197.

It is an arithmetic number, because the mean of its divisors is an integer number (39945294).

Almost surely, 2^106520782 is an apocalyptic number.

106520782 is a deficient number, since it is larger than the sum of its proper divisors (53260394).

106520782 is an equidigital number, since it uses as much as digits as its factorization.

106520782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53260393.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 106520782 is about 10320.8905623497. The cubic root of 106520782 is about 474.0361352098.

The spelling of 106520782 in words is "one hundred six million, five hundred twenty thousand, seven hundred eighty-two".