1255759 has 2 divisors, whose sum is σ = 1255760. Its totient is φ = 1255758.

The previous prime is 1255757. The next prime is 1255799. The reversal of 1255759 is 9575521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255759 - 2¹ = 1255757 is a prime.

Together with 1255757, it forms a pair of twin primes.

1255759 is a lucky number.

It is equal to p₉₆₈₇₄ and since 1255759 and 96874 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255757) 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 as a sum of consecutive naturals, namely, 627879 + 627880.

It is an arithmetic number, because the mean of its divisors is an integer number (627880).

2^1255759 is an apocalyptic number.

1255759 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255759 is an equidigital number, since it uses as much as digits as its factorization.

1255759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 34.

The square root of 1255759 is about 1120.6065321958. The cubic root of 1255759 is about 107.8869129491.

The spelling of 1255759 in words is "one million, two hundred fifty-five thousand, seven hundred fifty-nine".