1026506 has 12 divisors (see below), whose sum is σ = 1667862. Its totient is φ = 473616.

The previous prime is 1026481. The next prime is 1026521. The reversal of 1026506 is 6056201.

It can be written as a sum of positive squares in 3 ways, for example, as 707281 + 319225 = 841^2 + 565^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1181 + ... + 1856.

2^1026506 is an apocalyptic number.

1026506 is a deficient number, since it is larger than the sum of its proper divisors (641356).

1026506 is a wasteful number, since it uses less digits than its factorization.

1026506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1026506 is about 1013.1663239567. The cubic root of 1026506 is about 100.8758399815.

The spelling of 1026506 in words is "one million, twenty-six thousand, five hundred six".