1020422243 has 4 divisors (see below), whose sum is σ = 1021749960. Its totient is φ = 1019094528.

The previous prime is 1020422233. The next prime is 1020422269. The reversal of 1020422243 is 3422240201.

1020422243 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 3422240201 = 131 ⋅26123971.

It is a cyclic number.

It is not a de Polignac number, because 1020422243 - 2¹⁰ = 1020421219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020422233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662705 + ... + 664242.

It is an arithmetic number, because the mean of its divisors is an integer number (255437490).

Almost surely, 2^1020422243 is an apocalyptic number.

1020422243 is a deficient number, since it is larger than the sum of its proper divisors (1327717).

1020422243 is an equidigital number, since it uses as much as digits as its factorization.

1020422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327716.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1020422243 is about 31944.0486319439. The cubic root of 1020422243 is about 1006.7615921601.

Adding to 1020422243 its reverse (3422240201), we get a palindrome (4442662444).

The spelling of 1020422243 in words is "one billion, twenty million, four hundred twenty-two thousand, two hundred forty-three".