1255678 has 8 divisors (see below), whose sum is σ = 1893672. Its totient is φ = 624456.

The previous prime is 1255663. The next prime is 1255679. The reversal of 1255678 is 8765521.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (236709).

2^1255678 is an apocalyptic number.

1255678 is a deficient number, since it is larger than the sum of its proper divisors (637994).

1255678 is a wasteful number, since it uses less digits than its factorization.

1255678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its digits is 16800, while the sum is 34.

The square root of 1255678 is about 1120.5703904709. The cubic root of 1255678 is about 107.8845932290.

The spelling of 1255678 in words is "one million, two hundred fifty-five thousand, six hundred seventy-eight".