1224729032 has 12 divisors (see below), whose sum is σ = 2296552545. Its totient is φ = 612315024.

The previous prime is 1224729031. The next prime is 1224729041. The reversal of 1224729032 is 2309274221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1224580036 + 148996 = 34994^2 + 386^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24746.

It is a super-2 number, since 2×1224729032² = 2999922403647314048, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224729032.

It is not an unprimeable number, because it can be changed into a prime (1224729031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 92798 + ... + 105170.

Almost surely, 2^1224729032 is an apocalyptic number.

It is an amenable number.

1224729032 is a deficient number, since it is larger than the sum of its proper divisors (1071823513).

1224729032 is an frugal number, since it uses more digits than its factorization.

1224729032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24752 (or 12375 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1224729032 is about 34996.1288144846. The cubic root of 1224729032 is about 1069.9085815861.

Multiplying 1224729032 by its sum of digits (32), we get a square (39191329024 = 197968²).

The spelling of 1224729032 in words is "one billion, two hundred twenty-four million, seven hundred twenty-nine thousand, thirty-two".