1222123 has 8 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 1032360.

The previous prime is 1222097. The next prime is 1222129. The reversal of 1222123 is 3212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222123 - 2¹³ = 1213931 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (177120).

2^1222123 is an apocalyptic number.

1222123 is a deficient number, since it is larger than the sum of its proper divisors (194837).

1222123 is an equidigital number, since it uses as much as digits as its factorization.

1222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its digits is 48, while the sum is 13.

The square root of 1222123 is about 1105.4967209359. The cubic root of 1222123 is about 106.9149176608.

Adding to 1222123 its reverse (3212221), we get a palindrome (4434344).

The spelling of 1222123 in words is "one million, two hundred twenty-two thousand, one hundred twenty-three".