109560643 has 2 divisors, whose sum is σ = 109560644. Its totient is φ = 109560642.

The previous prime is 109560623. The next prime is 109560653. The reversal of 109560643 is 346065901.

It is a strong prime.

It is an emirp because it is prime and its reverse (346065901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109560643 - 2¹⁷ = 109429571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109560599 and 109560608.

It is not a weakly prime, because it can be changed into another prime (109560623) by changing a digit.

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, 54780321 + 54780322.

It is an arithmetic number, because the mean of its divisors is an integer number (54780322).

Almost surely, 2^109560643 is an apocalyptic number.

109560643 is a deficient number, since it is larger than the sum of its proper divisors (1).

109560643 is an equidigital number, since it uses as much as digits as its factorization.

109560643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 109560643 is about 10467.1220017730. The cubic root of 109560643 is about 478.5032121164.

The spelling of 109560643 in words is "one hundred nine million, five hundred sixty thousand, six hundred forty-three".