10122643 has 4 divisors (see below), whose sum is σ = 10140088. Its totient is φ = 10105200.

The previous prime is 10122641. The next prime is 10122677. The reversal of 10122643 is 34622101.

10122643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10122643 - 2¹ = 10122641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10122643.

It is not an unprimeable number, because it can be changed into a prime (10122641) 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 in 3 ways as a sum of consecutive naturals, for example, 7821 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (2535022).

Almost surely, 2^10122643 is an apocalyptic number.

10122643 is a deficient number, since it is larger than the sum of its proper divisors (17445).

10122643 is an equidigital number, since it uses as much as digits as its factorization.

10122643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10122643 is about 3181.6101269640. The cubic root of 10122643 is about 216.3206471705.

Adding to 10122643 its reverse (34622101), we get a palindrome (44744744).

It can be divided in two parts, 1012 and 2643, that added together give a triangular number (3655 = T₈₅).

The spelling of 10122643 in words is "ten million, one hundred twenty-two thousand, six hundred forty-three".