1255397027 has 2 divisors, whose sum is σ = 1255397028. Its totient is φ = 1255397026.

The previous prime is 1255396993. The next prime is 1255397041. The reversal of 1255397027 is 7207935521.

It is a strong prime.

It is an emirp because it is prime and its reverse (7207935521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255397027 - 2²² = 1251202723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255367027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627698513 + 627698514.

It is an arithmetic number, because the mean of its divisors is an integer number (627698514).

Almost surely, 2^1255397027 is an apocalyptic number.

1255397027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255397027 is an equidigital number, since it uses as much as digits as its factorization.

1255397027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 1255397027 is about 35431.5823383602. The cubic root of 1255397027 is about 1078.7654580526.

The spelling of 1255397027 in words is "one billion, two hundred fifty-five million, three hundred ninety-seven thousand, twenty-seven".