1004131217 has 16 divisors (see below), whose sum is σ = 1061786880. Its totient is φ = 947719872.

The previous prime is 1004131201. The next prime is 1004131237. The reversal of 1004131217 is 7121314001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1004131217 - 2⁴ = 1004131201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004131237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733868 + ... + 735234.

It is an arithmetic number, because the mean of its divisors is an integer number (66361680).

Almost surely, 2^1004131217 is an apocalyptic number.

It is an amenable number.

1004131217 is a deficient number, since it is larger than the sum of its proper divisors (57655663).

1004131217 is a wasteful number, since it uses less digits than its factorization.

1004131217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1004131217 is about 31688.0295537605. The cubic root of 1004131217 is about 1001.3751803455.

Adding to 1004131217 its reverse (7121314001), we get a palindrome (8125445218).

The spelling of 1004131217 in words is "one billion, four million, one hundred thirty-one thousand, two hundred seventeen".