1020017 has 8 divisors (see below), whose sum is σ = 1117800. Its totient is φ = 926464.

The previous prime is 1020013. The next prime is 1020023. The reversal of 1020017 is 7100201.

1020017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 891136 = 359^2 + 944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020017 - 2² = 1020013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (139725).

2^1020017 is an apocalyptic number.

1020017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1020017 is a deficient number, since it is larger than the sum of its proper divisors (97783).

1020017 is a wasteful number, since it uses less digits than its factorization.

1020017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 1020017 is about 1009.9589100553. The cubic root of 1020017 is about 100.6628301877.

Adding to 1020017 its reverse (7100201), we get a palindrome (8120218).

The spelling of 1020017 in words is "one million, twenty thousand, seventeen".