1043220432 has 40 divisors (see below), whose sum is σ = 2781925120. Its totient is φ = 336522240.

The previous prime is 1043220397. The next prime is 1043220433. The reversal of 1043220432 is 2340223401.

It is a junction number, because it is equal to n+sod(n) for n = 1043220399 and 1043220408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043220433) 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, 349057 + ... + 352032.

It is an arithmetic number, because the mean of its divisors is an integer number (69548128).

Almost surely, 2^1043220432 is an apocalyptic number.

1043220432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043220432 is an abundant number, since it is smaller than the sum of its proper divisors (1738704688).

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

1043220432 is a wasteful number, since it uses less digits than its factorization.

1043220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701131 (or 701125 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1043220432 is about 32298.9230780223. The cubic root of 1043220432 is about 1014.2040989827.

Adding to 1043220432 its reverse (2340223401), we get a palindrome (3383443833).

The spelling of 1043220432 in words is "one billion, forty-three million, two hundred twenty thousand, four hundred thirty-two".