1043405412 has 36 divisors (see below), whose sum is σ = 2832102000. Its totient is φ = 298115664.

The previous prime is 1043405399. The next prime is 1043405477. The reversal of 1043405412 is 2145043401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886662 + ... + 887837.

It is an arithmetic number, because the mean of its divisors is an integer number (78669500).

Almost surely, 2^1043405412 is an apocalyptic number.

1043405412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043405412 is an abundant number, since it is smaller than the sum of its proper divisors (1788696588).

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

1043405412 is a wasteful number, since it uses less digits than its factorization.

1043405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774520 (or 1774511 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1043405412 is about 32301.7865140614. The cubic root of 1043405412 is about 1014.2640404169.

Adding to 1043405412 its reverse (2145043401), we get a palindrome (3188448813).

The spelling of 1043405412 in words is "one billion, forty-three million, four hundred five thousand, four hundred twelve".