106442647 has 2 divisors, whose sum is σ = 106442648. Its totient is φ = 106442646.

The previous prime is 106442641. The next prime is 106442653. The reversal of 106442647 is 746244601.

It is a balanced prime because it is at equal distance from previous prime (106442641) and next prime (106442653).

It is a cyclic number.

It is not a de Polignac number, because 106442647 - 2¹¹ = 106440599 is a prime.

It is a super-2 number, since 2×106442647² = 22660074200733218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106442641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53221323 + 53221324.

It is an arithmetic number, because the mean of its divisors is an integer number (53221324).

Almost surely, 2^106442647 is an apocalyptic number.

106442647 is a deficient number, since it is larger than the sum of its proper divisors (1).

106442647 is an equidigital number, since it uses as much as digits as its factorization.

106442647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 106442647 is about 10317.1045841360. The cubic root of 106442647 is about 473.9202020474.

The spelling of 106442647 in words is "one hundred six million, four hundred forty-two thousand, six hundred forty-seven".