1122022123 has 4 divisors (see below), whose sum is σ = 1122095968. Its totient is φ = 1121948280.

The previous prime is 1122022081. The next prime is 1122022163. The reversal of 1122022123 is 3212202211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3212202211 = 43 ⋅74702377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122022123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122022097 and 1122022106.

It is not an unprimeable number, because it can be changed into a prime (1122022163) 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, 4836 + ... + 47617.

It is an arithmetic number, because the mean of its divisors is an integer number (280523992).

Almost surely, 2^1122022123 is an apocalyptic number.

1122022123 is a deficient number, since it is larger than the sum of its proper divisors (73845).

1122022123 is an equidigital number, since it uses as much as digits as its factorization.

1122022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73844.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122022123 is about 33496.5986780748. The cubic root of 1122022123 is about 1039.1234363839.

Adding to 1122022123 its reverse (3212202211), we get a palindrome (4334224334).

The spelling of 1122022123 in words is "one billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-three".