1231106224 has 20 divisors (see below), whose sum is σ = 2462213440. Its totient is φ = 595696320.

The previous prime is 1231106183. The next prime is 1231106243. The reversal of 1231106224 is 4226011321.

1231106224 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1231106195 and 1231106204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240539 + ... + 1241530.

It is an arithmetic number, because the mean of its divisors is an integer number (123110672).

Almost surely, 2^1231106224 is an apocalyptic number.

It is an amenable number.

1231106224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1231106224 is a wasteful number, since it uses less digits than its factorization.

1231106224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482108 (or 2482102 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1231106224 is about 35087.1233360616. The cubic root of 1231106224 is about 1071.7623805031.

Adding to 1231106224 its reverse (4226011321), we get a palindrome (5457117545).

The spelling of 1231106224 in words is "one billion, two hundred thirty-one million, one hundred six thousand, two hundred twenty-four".