1003750000 has 160 divisors (see below), whose sum is σ = 2688274368. Its totient is φ = 360000000.

The previous prime is 1003749947. The next prime is 1003750021. The reversal of 1003750000 is 573001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13749964 + ... + 13750036.

Almost surely, 2^1003750000 is an apocalyptic number.

1003750000 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 1003750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344137184).

1003750000 is an abundant number, since it is smaller than the sum of its proper divisors (1684524368).

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

1003750000 is an frugal number, since it uses more digits than its factorization.

1003750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 1003750000 is about 31682.0138248818. The cubic root of 1003750000 is about 1001.2484407471.

The spelling of 1003750000 in words is "one billion, three million, seven hundred fifty thousand".