1004255000 has 120 divisors (see below), whose sum is σ = 2737795500. Its totient is φ = 344232000.

The previous prime is 1004254987. The next prime is 1004255029. The reversal of 1004255000 is 5524001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004255000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 242951 + ... + 247049.

Almost surely, 2^1004255000 is an apocalyptic number.

1004255000 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 1004255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368897750).

1004255000 is an abundant number, since it is smaller than the sum of its proper divisors (1733540500).

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

1004255000 is an equidigital number, since it uses as much as digits as its factorization.

1004255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1004255000 is about 31689.9826443626. The cubic root of 1004255000 is about 1001.4163264058.

Adding to 1004255000 its reverse (5524001), we get a palindrome (1009779001).

The spelling of 1004255000 in words is "one billion, four million, two hundred fifty-five thousand".