1321124226 has 16 divisors (see below), whose sum is σ = 2781314400. Its totient is φ = 417197088.

The previous prime is 1321124221. The next prime is 1321124227. The reversal of 1321124226 is 6224211231.

It is a junction number, because it is equal to n+sod(n) for n = 1321124196 and 1321124205.

It is not an unprimeable number, because it can be changed into a prime (1321124221) 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, 5794291 + ... + 5794518.

It is an arithmetic number, because the mean of its divisors is an integer number (173832150).

Almost surely, 2^1321124226 is an apocalyptic number.

1321124226 is an abundant number, since it is smaller than the sum of its proper divisors (1460190174).

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

1321124226 is a wasteful number, since it uses less digits than its factorization.

1321124226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588833.

The product of its digits is 1152, while the sum is 24.

The square root of 1321124226 is about 36347.2726074461. The cubic root of 1321124226 is about 1097.2726444468.

Adding to 1321124226 its reverse (6224211231), we get a palindrome (7545335457).

The spelling of 1321124226 in words is "one billion, three hundred twenty-one million, one hundred twenty-four thousand, two hundred twenty-six".