1020222123 has 4 divisors (see below), whose sum is σ = 1360296168. Its totient is φ = 680148080.

The previous prime is 1020222097. The next prime is 1020222143. The reversal of 1020222123 is 3212220201.

It is a happy number.

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 1020222123 - 2¹² = 1020218027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020222143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170037018 + ... + 170037023.

It is an arithmetic number, because the mean of its divisors is an integer number (340074042).

Almost surely, 2^1020222123 is an apocalyptic number.

1020222123 is a deficient number, since it is larger than the sum of its proper divisors (340074045).

1020222123 is an equidigital number, since it uses as much as digits as its factorization.

1020222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340074044.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020222123 is about 31940.9161264983. The cubic root of 1020222123 is about 1006.6957742096.

Adding to 1020222123 its reverse (3212220201), we get a palindrome (4232442324).

The spelling of 1020222123 in words is "one billion, twenty million, two hundred twenty-two thousand, one hundred twenty-three".