1042543500 has 96 divisors (see below), whose sum is σ = 3044321280. Its totient is φ = 277240000.

The previous prime is 1042543477. The next prime is 1042543603. The reversal of 1042543500 is 53452401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717775 + ... + 719225.

It is an arithmetic number, because the mean of its divisors is an integer number (31711680).

Almost surely, 2^1042543500 is an apocalyptic number.

1042543500 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 1042543500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522160640).

1042543500 is an abundant number, since it is smaller than the sum of its proper divisors (2001777780).

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

1042543500 is a wasteful number, since it uses less digits than its factorization.

1042543500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1042543500 is about 32288.4422046032. The cubic root of 1042543500 is about 1013.9846836227.

Adding to 1042543500 its reverse (53452401), we get a palindrome (1095995901).

The spelling of 1042543500 in words is "one billion, forty-two million, five hundred forty-three thousand, five hundred".