1043513920 has 56 divisors (see below), whose sum is σ = 2489655168. Its totient is φ = 416601600.

The previous prime is 1043513917. The next prime is 1043513951. The reversal of 1043513920 is 293153401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179865 + ... + 185575.

It is an arithmetic number, because the mean of its divisors is an integer number (44458128).

Almost surely, 2^1043513920 is an apocalyptic number.

1043513920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043513920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244827584).

1043513920 is an abundant number, since it is smaller than the sum of its proper divisors (1446141248).

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

1043513920 is an equidigital number, since it uses as much as digits as its factorization.

1043513920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1043513920 is about 32303.4660679005. The cubic root of 1043513920 is about 1014.2991983547.

The spelling of 1043513920 in words is "one billion, forty-three million, five hundred thirteen thousand, nine hundred twenty".