1255383 has 6 divisors (see below), whose sum is σ = 1813344. Its totient is φ = 836916.

The previous prime is 1255367. The next prime is 1255391. The reversal of 1255383 is 3835521.

1255383 is a `hidden beast` number, since 125 + 538 + 3 = 666.

It is not a de Polignac number, because 1255383 - 2⁴ = 1255367 is a prime.

1255383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69735 + ... + 69752.

It is an arithmetic number, because the mean of its divisors is an integer number (302224).

2^1255383 is an apocalyptic number.

1255383 is a deficient number, since it is larger than the sum of its proper divisors (557961).

1255383 is a wasteful number, since it uses less digits than its factorization.

1255383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139493 (or 139490 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1255383 is about 1120.4387533462. The cubic root of 1255383 is about 107.8761440227.

The spelling of 1255383 in words is "one million, two hundred fifty-five thousand, three hundred eighty-three".