1043000000 has 196 divisors, whose sum is σ = 2976524400. Its totient is φ = 355200000.

The previous prime is 1042999981. The next prime is 1043000009. The reversal of 1043000000 is 3401.

1043000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1043000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6999926 + ... + 7000074.

Almost surely, 2^1043000000 is an apocalyptic number.

1043000000 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 1043000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488262200).

1043000000 is an abundant number, since it is smaller than the sum of its proper divisors (1933524400).

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

1043000000 is an frugal number, since it uses more digits than its factorization.

1043000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1043000000 is about 32295.5105239103. The cubic root of 1043000000 is about 1014.1326603301.

Adding to 1043000000 its reverse (3401), we get a palindrome (1043003401).

The spelling of 1043000000 in words is "one billion, forty-three million", and thus it is an aban number and an uban number.