1080925 has 6 divisors (see below), whose sum is σ = 1340378. Its totient is φ = 864720.

The previous prime is 1080923. The next prime is 1080941. The reversal of 1080925 is 5290801.

It can be written as a sum of positive squares in 3 ways, for example, as 3481 + 1077444 = 59^2 + 1038^2 .

It is not a de Polignac number, because 1080925 - 2¹ = 1080923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 43237 = 1080925 / (1 + 0 + 8 + 0 + 9 + 2 + 5).

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 1080925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21594 + ... + 21643.

2^1080925 is an apocalyptic number.

It is an amenable number.

1080925 is a deficient number, since it is larger than the sum of its proper divisors (259453).

1080925 is an equidigital number, since it uses as much as digits as its factorization.

1080925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43247 (or 43242 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1080925 is about 1039.6754301223. The cubic root of 1080925 is about 102.6278396967.

The spelling of 1080925 in words is "one million, eighty thousand, nine hundred twenty-five".