1004115 has 32 divisors (see below), whose sum is σ = 1875456. Its totient is φ = 449280.

The previous prime is 1004089. The next prime is 1004117. The reversal of 1004115 is 5114001.

It is a happy number.

It is not a de Polignac number, because 1004115 - 2¹⁰ = 1003091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004115.

It is not an unprimeable number, because it can be changed into a prime (1004117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7600 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (58608).

2^1004115 is an apocalyptic number.

1004115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004115 is a deficient number, since it is larger than the sum of its proper divisors (871341).

1004115 is a wasteful number, since it uses less digits than its factorization.

1004115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

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

The square root of 1004115 is about 1002.0553876907. The cubic root of 1004115 is about 100.1369789487.

Adding to 1004115 its reverse (5114001), we get a palindrome (6118116).

The spelling of 1004115 in words is "one million, four thousand, one hundred fifteen".