1004002113 has 16 divisors (see below), whose sum is σ = 1362344256. Its totient is φ = 657587520.

The previous prime is 1004002093. The next prime is 1004002117. The reversal of 1004002113 is 3112004001.

It is a happy number.

It is not a de Polignac number, because 1004002113 - 2¹⁸ = 1003739969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004002117) by changing a digit.

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, 33931 + ... + 56207.

It is an arithmetic number, because the mean of its divisors is an integer number (85146516).

Almost surely, 2^1004002113 is an apocalyptic number.

It is an amenable number.

1004002113 is a deficient number, since it is larger than the sum of its proper divisors (358342143).

1004002113 is a wasteful number, since it uses less digits than its factorization.

1004002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22544.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1004002113 is about 31685.9923783365. The cubic root of 1004002113 is about 1001.3322619565.

Adding to 1004002113 its reverse (3112004001), we get a palindrome (4116006114).

The spelling of 1004002113 in words is "one billion, four million, two thousand, one hundred thirteen".