1268385 has 8 divisors (see below), whose sum is σ = 2029440. Its totient is φ = 676464.

The previous prime is 1268369. The next prime is 1268413. The reversal of 1268385 is 5838621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1268385 - 2⁴ = 1268369 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42265 + ... + 42294.

It is an arithmetic number, because the mean of its divisors is an integer number (253680).

2^1268385 is an apocalyptic number.

1268385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1268385 is a deficient number, since it is larger than the sum of its proper divisors (761055).

1268385 is an equidigital number, since it uses as much as digits as its factorization.

1268385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84567.

The product of its digits is 11520, while the sum is 33.

The square root of 1268385 is about 1126.2259986344. The cubic root of 1268385 is about 108.2472899954.

It can be divided in two parts, 1268 and 385, that added together give a triangular number (1653 = T₅₇).

The spelling of 1268385 in words is "one million, two hundred sixty-eight thousand, three hundred eighty-five".