1005010104 has 64 divisors (see below), whose sum is σ = 2938256640. Its totient is φ = 280465920.

The previous prime is 1005010099. The next prime is 1005010121. The reversal of 1005010104 is 4010105001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1005010104.

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 15 ways as a sum of consecutive naturals, for example, 62337 + ... + 76784.

It is an arithmetic number, because the mean of its divisors is an integer number (45910260).

Almost surely, 2^1005010104 is an apocalyptic number.

1005010104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1005010104 is an abundant number, since it is smaller than the sum of its proper divisors (1933246536).

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

1005010104 is a wasteful number, since it uses less digits than its factorization.

1005010104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139180 (or 139176 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1005010104 is about 31701.8943282574. The cubic root of 1005010104 is about 1001.6672533880.

Adding to 1005010104 its reverse (4010105001), we get a palindrome (5015115105).

The spelling of 1005010104 in words is "one billion, five million, ten thousand, one hundred four".