1121223424 has 36 divisors (see below), whose sum is σ = 2263259880. Its totient is φ = 554301440.

The previous prime is 1121223419. The next prime is 1121223431. The reversal of 1121223424 is 4243221211.

It is a junction number, because it is equal to n+sod(n) for n = 1121223395 and 1121223404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822 + ... + 47389.

It is an arithmetic number, because the mean of its divisors is an integer number (62868330).

Almost surely, 2^1121223424 is an apocalyptic number.

It is an amenable number.

1121223424 is an abundant number, since it is smaller than the sum of its proper divisors (1142036456).

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

1121223424 is an frugal number, since it uses more digits than its factorization.

1121223424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49316 (or 49302 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1121223424 is about 33484.6744645965. The cubic root of 1121223424 is about 1038.8768150266.

Adding to 1121223424 its reverse (4243221211), we get a palindrome (5364444635).

The spelling of 1121223424 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, four hundred twenty-four".