1043412321 has 48 divisors (see below), whose sum is σ = 1702995840. Its totient is φ = 565850880.

The previous prime is 1043412311. The next prime is 1043412401. The reversal of 1043412321 is 1232143401.

1043412321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043412321 - 2¹³ = 1043404129 is a prime.

It is a super-2 number, since 2×1043412321² = 2177418543229214082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1043412311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220660 + ... + 225338.

It is an arithmetic number, because the mean of its divisors is an integer number (35479080).

Almost surely, 2^1043412321 is an apocalyptic number.

It is an amenable number.

1043412321 is a deficient number, since it is larger than the sum of its proper divisors (659583519).

1043412321 is a wasteful number, since it uses less digits than its factorization.

1043412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4767 counting only the distinct ones).

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

The square root of 1043412321 is about 32301.8934584337. The cubic root of 1043412321 is about 1014.2662790912.

Adding to 1043412321 its reverse (1232143401), we get a palindrome (2275555722).

The spelling of 1043412321 in words is "one billion, forty-three million, four hundred twelve thousand, three hundred twenty-one".