1000117685 has 32 divisors (see below), whose sum is σ = 1426118400. Its totient is φ = 672794304.

The previous prime is 1000117669. The next prime is 1000117697. The reversal of 1000117685 is 5867110001.

It is not a de Polignac number, because 1000117685 - 2⁴ = 1000117669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85394 + ... + 96396.

It is an arithmetic number, because the mean of its divisors is an integer number (44566200).

Almost surely, 2^1000117685 is an apocalyptic number.

It is an amenable number.

1000117685 is a deficient number, since it is larger than the sum of its proper divisors (426000715).

1000117685 is an equidigital number, since it uses as much as digits as its factorization.

1000117685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082 (or 11068 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 1000117685 is about 31624.6373101732. The cubic root of 1000117685 is about 1000.0392267946.

Adding to 1000117685 its reverse (5867110001), we get a palindrome (6867227686).

The spelling of 1000117685 in words is "one billion, one hundred seventeen thousand, six hundred eighty-five".