1017040 has 20 divisors (see below), whose sum is σ = 2364804. Its totient is φ = 406784.

The previous prime is 1017031. The next prime is 1017041. The reversal of 1017040 is 407101.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 304704 = 844^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1017040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6277 + ... + 6436.

2^1017040 is an apocalyptic number.

1017040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1017040 is an abundant number, since it is smaller than the sum of its proper divisors (1347764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1017040 is a wasteful number, since it uses less digits than its factorization.

1017040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726 (or 12720 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1017040 is about 1008.4840107805. The cubic root of 1017040 is about 100.5648039591.

The spelling of 1017040 in words is "one million, seventeen thousand, forty".