1004120000 has 140 divisors (see below), whose sum is σ = 2682809976. Its totient is φ = 370560000.

The previous prime is 1004119979. The next prime is 1004120003. The reversal of 1004120000 is 214001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1004120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004120003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 519035 + ... + 520965.

Almost surely, 2^1004120000 is an apocalyptic number.

1004120000 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 1004120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341404988).

1004120000 is an abundant number, since it is smaller than the sum of its proper divisors (1678689976).

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

1004120000 is an equidigital number, since it uses as much as digits as its factorization.

1004120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1951 counting only the distinct ones).

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

The square root of 1004120000 is about 31687.8525621412. The cubic root of 1004120000 is about 1001.3714515940.

Adding to 1004120000 its reverse (214001), we get a palindrome (1004334001).

The spelling of 1004120000 in words is "one billion, four million, one hundred twenty thousand".