1255281367 has 4 divisors (see below), whose sum is σ = 1255371040. Its totient is φ = 1255191696.

The previous prime is 1255281359. The next prime is 1255281389. The reversal of 1255281367 is 7631825521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1255281367 - 2³ = 1255281359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255281067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18798 + ... + 53515.

It is an arithmetic number, because the mean of its divisors is an integer number (313842760).

Almost surely, 2^1255281367 is an apocalyptic number.

1255281367 is a deficient number, since it is larger than the sum of its proper divisors (89673).

1255281367 is an equidigital number, since it uses as much as digits as its factorization.

1255281367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89672.

The product of its digits is 100800, while the sum is 40.

The square root of 1255281367 is about 35429.9501410883. The cubic root of 1255281367 is about 1078.7323280700.

The spelling of 1255281367 in words is "one billion, two hundred fifty-five million, two hundred eighty-one thousand, three hundred sixty-seven".