1255086 has 36 divisors (see below), whose sum is σ = 3165552. Its totient is φ = 358344.

The previous prime is 1255081. The next prime is 1255103. The reversal of 1255086 is 6805521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255081) by changing a digit.

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 in 17 ways as a sum of consecutive naturals, for example, 171 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (87932).

2^1255086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582776).

1255086 is an abundant number, since it is smaller than the sum of its proper divisors (1910466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255086 is a wasteful number, since it uses less digits than its factorization.

1255086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1255086 is about 1120.3062081413. The cubic root of 1255086 is about 107.8676361963.

The spelling of 1255086 in words is "one million, two hundred fifty-five thousand, eighty-six".