10920643 has 2 divisors, whose sum is σ = 10920644. Its totient is φ = 10920642.

The previous prime is 10920641. The next prime is 10920671. The reversal of 10920643 is 34602901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10920643 - 2¹ = 10920641 is a prime.

Together with 10920641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10920641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460321 + 5460322.

It is an arithmetic number, because the mean of its divisors is an integer number (5460322).

Almost surely, 2^10920643 is an apocalyptic number.

10920643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920643 is an equidigital number, since it uses as much as digits as its factorization.

10920643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10920643 is about 3304.6396172654. The cubic root of 10920643 is about 221.8619044840.

The spelling of 10920643 in words is "ten million, nine hundred twenty thousand, six hundred forty-three".