1008725 has 12 divisors (see below), whose sum is σ = 1263684. Its totient is φ = 798720.

The previous prime is 1008719. The next prime is 1008743. The reversal of 1008725 is 5278001.

It can be written as a sum of positive squares in 6 ways, for example, as 6724 + 1002001 = 82^2 + 1001^2 .

It is not a de Polignac number, because 1008725 - 2¹⁰ = 1007701 is a prime.

It is a super-2 number, since 2×1008725² = 2035052251250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1008725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3797 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (105307).

2^1008725 is an apocalyptic number.

It is an amenable number.

1008725 is a deficient number, since it is larger than the sum of its proper divisors (254959).

1008725 is a wasteful number, since it uses less digits than its factorization.

1008725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1008725 is about 1004.3530255841. The cubic root of 1008725 is about 100.2899915693.

The spelling of 1008725 in words is "one million, eight thousand, seven hundred twenty-five".