1026225 has 18 divisors (see below), whose sum is σ = 1838486. Its totient is φ = 547200.

The previous prime is 1026217. The next prime is 1026227. The reversal of 1026225 is 5226201.

It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 998001 = 168^2 + 999^2 .

It is not a de Polignac number, because 1026225 - 2³ = 1026217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026198 and 1026207.

It is not an unprimeable number, because it can be changed into a prime (1026227) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2056 + ... + 2505.

2^1026225 is an apocalyptic number.

1026225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1026225 is a deficient number, since it is larger than the sum of its proper divisors (812261).

1026225 is a wasteful number, since it uses less digits than its factorization.

1026225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4569 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1026225 is about 1013.0276402942. The cubic root of 1026225 is about 100.8666344182.

The spelling of 1026225 in words is "one million, twenty-six thousand, two hundred twenty-five".