1017006681 has 12 divisors (see below), whose sum is σ = 1389895856. Its totient is φ = 661464480.

The previous prime is 1017006647. The next prime is 1017006743. The reversal of 1017006681 is 1866007101.

It is a happy number.

It is not a de Polignac number, because 1017006681 - 2¹⁰ = 1017005657 is a prime.

It is a super-2 number, since 2×1017006681² = 2068605178397271522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017006611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95791 + ... + 105876.

Almost surely, 2^1017006681 is an apocalyptic number.

It is an amenable number.

1017006681 is a deficient number, since it is larger than the sum of its proper divisors (372889175).

1017006681 is an equidigital number, since it uses as much as digits as its factorization.

1017006681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201752 (or 201711 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1017006681 is about 31890.5421873006. The cubic root of 1017006681 is about 1005.6370575405.

The spelling of 1017006681 in words is "one billion, seventeen million, six thousand, six hundred eighty-one".