1223459752 has 16 divisors (see below), whose sum is σ = 2295545940. Its totient is φ = 611314176.

The previous prime is 1223459749. The next prime is 1223459753. The reversal of 1223459752 is 2579543221.

It can be written as a sum of positive squares in 2 ways, for example, as 1096536996 + 126922756 = 33114^2 + 11266^2 .

It is not an unprimeable number, because it can be changed into a prime (1223459753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39273 + ... + 63160.

Almost surely, 2^1223459752 is an apocalyptic number.

It is an amenable number.

1223459752 is a deficient number, since it is larger than the sum of its proper divisors (1072086188).

1223459752 is a wasteful number, since it uses less digits than its factorization.

1223459752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103932 (or 103928 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 1223459752 is about 34977.9895362784. The cubic root of 1223459752 is about 1069.5388445703.

The spelling of 1223459752 in words is "one billion, two hundred twenty-three million, four hundred fifty-nine thousand, seven hundred fifty-two".