1233121224 has 32 divisors (see below), whose sum is σ = 3182250240. Its totient is φ = 397780800.

The previous prime is 1233121199. The next prime is 1233121247. The reversal of 1233121224 is 4221213321.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1233121224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827967 + ... + 829454.

It is an arithmetic number, because the mean of its divisors is an integer number (99445320).

Almost surely, 2^1233121224 is an apocalyptic number.

It is an amenable number.

1233121224 is an abundant number, since it is smaller than the sum of its proper divisors (1949129016).

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

1233121224 is a wasteful number, since it uses less digits than its factorization.

1233121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657461 (or 1657457 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1233121224 is about 35115.8258339456. The cubic root of 1233121224 is about 1072.3467936621.

Adding to 1233121224 its reverse (4221213321), we get a palindrome (5454334545).

The spelling of 1233121224 in words is "one billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred twenty-four".