1123021022 has 4 divisors (see below), whose sum is σ = 1684531536. Its totient is φ = 561510510.

The previous prime is 1123020971. The next prime is 1123021033. The reversal of 1123021022 is 2201203211.

It is a happy number.

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

It is a super-2 number, since 2×1123021022² = 2522352431707848968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123020988 and 1123021006.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 280755254 + ... + 280755257.

It is an arithmetic number, because the mean of its divisors is an integer number (421132884).

Almost surely, 2^1123021022 is an apocalyptic number.

1123021022 is a deficient number, since it is larger than the sum of its proper divisors (561510514).

1123021022 is an equidigital number, since it uses as much as digits as its factorization.

1123021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561510513.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1123021022 is about 33511.5058151674. The cubic root of 1123021022 is about 1039.4317106049.

Adding to 1123021022 its reverse (2201203211), we get a palindrome (3324224233).

The spelling of 1123021022 in words is "one billion, one hundred twenty-three million, twenty-one thousand, twenty-two".