1255055 has 8 divisors (see below), whose sum is σ = 1521312. Its totient is φ = 993888.

The previous prime is 1255049. The next prime is 1255063. The reversal of 1255055 is 5505521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255055 - 2⁴ = 1255039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255055.

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 in 7 ways as a sum of consecutive naturals, for example, 704 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (190164).

2^1255055 is an apocalyptic number.

1255055 is a deficient number, since it is larger than the sum of its proper divisors (266257).

1255055 is a wasteful number, since it uses less digits than its factorization.

1255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 1255055 is about 1120.2923725528. The cubic root of 1255055 is about 107.8667480967.

The spelling of 1255055 in words is "one million, two hundred fifty-five thousand, fifty-five".