1081925 has 12 divisors (see below), whose sum is σ = 1445220. Its totient is φ = 798720.

The previous prime is 1081919. The next prime is 1081937. The reversal of 1081925 is 5291801.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 158404 + 923521 = 398^2 + 961^2 .

It is not a de Polignac number, because 1081925 - 2¹⁰ = 1080901 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1081894 and 1081903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (120435).

2^1081925 is an apocalyptic number.

It is an amenable number.

1081925 is a deficient number, since it is larger than the sum of its proper divisors (363295).

1081925 is a wasteful number, since it uses less digits than its factorization.

1081925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1081925 is about 1040.1562382642. The cubic root of 1081925 is about 102.6594780953.

The spelling of 1081925 in words is "one million, eighty-one thousand, nine hundred twenty-five".