1017081 has 12 divisors (see below), whose sum is σ = 1582308. Its totient is φ = 625824.

The previous prime is 1017077. The next prime is 1017097. The reversal of 1017081 is 1807101.

It can be written as a sum of positive squares in 2 ways, for example, as 95481 + 921600 = 309^2 + 960^2 .

It is not a de Polignac number, because 1017081 - 2² = 1017077 is a prime.

It is a super-2 number, since 2×1017081² = 2068907521122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1017011) 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, 4230 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (131859).

2^1017081 is an apocalyptic number.

It is an amenable number.

1017081 is a deficient number, since it is larger than the sum of its proper divisors (565227).

1017081 is a wasteful number, since it uses less digits than its factorization.

1017081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 1017081 is about 1008.5043381166. The cubic root of 1017081 is about 100.5661552994.

The spelling of 1017081 in words is "one million, seventeen thousand, eighty-one".