1305117 has 12 divisors (see below), whose sum is σ = 2056704. Its totient is φ = 790920.

The previous prime is 1305097. The next prime is 1305121. The reversal of 1305117 is 7115031.

It is a happy number.

It is not a de Polignac number, because 1305117 - 2¹¹ = 1303069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1305117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6493 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (171392).

2^1305117 is an apocalyptic number.

It is an amenable number.

1305117 is a deficient number, since it is larger than the sum of its proper divisors (751587).

1305117 is a wasteful number, since it uses less digits than its factorization.

1305117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200 (or 13197 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1305117 is about 1142.4171742407. The cubic root of 1305117 is about 109.2822971781.

The spelling of 1305117 in words is "one million, three hundred five thousand, one hundred seventeen".