1268065 has 4 divisors (see below), whose sum is σ = 1521684. Its totient is φ = 1014448.

The previous prime is 1268053. The next prime is 1268077. The reversal of 1268065 is 5608621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1268053) and next prime (1268077).

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 1014049 = 504^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268065 - 2¹³ = 1259873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126802 + ... + 126811.

It is an arithmetic number, because the mean of its divisors is an integer number (380421).

2^1268065 is an apocalyptic number.

It is an amenable number.

1268065 is a deficient number, since it is larger than the sum of its proper divisors (253619).

1268065 is an equidigital number, since it uses as much as digits as its factorization.

1268065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253618.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1268065 is about 1126.0839222722. The cubic root of 1268065 is about 108.2381860177.

The spelling of 1268065 in words is "one million, two hundred sixty-eight thousand, sixty-five".