1004122860 has 192 divisors, whose sum is σ = 3159281664. Its totient is φ = 236620800.

The previous prime is 1004122853. The next prime is 1004122897. The reversal of 1004122860 is 682214001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004122860.

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 63 ways as a sum of consecutive naturals, for example, 3167422 + ... + 3167738.

It is an arithmetic number, because the mean of its divisors is an integer number (16454592).

Almost surely, 2^1004122860 is an apocalyptic number.

1004122860 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 1004122860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579640832).

1004122860 is an abundant number, since it is smaller than the sum of its proper divisors (2155158804).

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

1004122860 is a wasteful number, since it uses less digits than its factorization.

1004122860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1004122860 is about 31687.8976898121. The cubic root of 1004122860 is about 1001.3724023169.

Adding to 1004122860 its reverse (682214001), we get a palindrome (1686336861).

The spelling of 1004122860 in words is "one billion, four million, one hundred twenty-two thousand, eight hundred sixty".