1305106 has 12 divisors (see below), whose sum is σ = 2152206. Its totient is φ = 593120.

The previous prime is 1305097. The next prime is 1305121. The reversal of 1305106 is 6015031.

It can be written as a sum of positive squares in only one way, i.e., 793881 + 511225 = 891^2 + 715^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1305106.

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, 2455 + ... + 2938.

2^1305106 is an apocalyptic number.

1305106 is a deficient number, since it is larger than the sum of its proper divisors (847100).

1305106 is a wasteful number, since it uses less digits than its factorization.

1305106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417 (or 5406 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1305106 is about 1142.4123598771. The cubic root of 1305106 is about 109.2819901536.

The spelling of 1305106 in words is "one million, three hundred five thousand, one hundred six".