1255886 has 4 divisors (see below), whose sum is σ = 1883832. Its totient is φ = 627942.

The previous prime is 1255861. The next prime is 1255907. The reversal of 1255886 is 6885521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6885521 = 347 ⋅19843.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313970 + ... + 313973.

It is an arithmetic number, because the mean of its divisors is an integer number (470958).

2^1255886 is an apocalyptic number.

1255886 is a deficient number, since it is larger than the sum of its proper divisors (627946).

1255886 is an equidigital number, since it uses as much as digits as its factorization.

1255886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627945.

The product of its digits is 19200, while the sum is 35.

The square root of 1255886 is about 1120.6631965046. The cubic root of 1255886 is about 107.8905498401.

The spelling of 1255886 in words is "one million, two hundred fifty-five thousand, eight hundred eighty-six".