1121204022 has 64 divisors (see below), whose sum is σ = 2428704000. Its totient is φ = 343968768.

The previous prime is 1121204011. The next prime is 1121204033. The reversal of 1121204022 is 2204021211.

It is an interprime number because it is at equal distance from previous prime (1121204011) and next prime (1121204033).

It is a junction number, because it is equal to n+sod(n) for n = 1121203992 and 1121204010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597678 + ... + 599550.

It is an arithmetic number, because the mean of its divisors is an integer number (37948500).

Almost surely, 2^1121204022 is an apocalyptic number.

1121204022 is an abundant number, since it is smaller than the sum of its proper divisors (1307499978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121204022 is a wasteful number, since it uses less digits than its factorization.

1121204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1121204022 is about 33484.3847487153. The cubic root of 1121204022 is about 1038.8708226425.

Adding to 1121204022 its reverse (2204021211), we get a palindrome (3325225233).

The spelling of 1121204022 in words is "one billion, one hundred twenty-one million, two hundred four thousand, twenty-two".