1255641227 has 2 divisors, whose sum is σ = 1255641228. Its totient is φ = 1255641226.

The previous prime is 1255641223. The next prime is 1255641241. The reversal of 1255641227 is 7221465521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255641227 - 2² = 1255641223 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255641223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627820613 + 627820614.

It is an arithmetic number, because the mean of its divisors is an integer number (627820614).

Almost surely, 2^1255641227 is an apocalyptic number.

1255641227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255641227 is an equidigital number, since it uses as much as digits as its factorization.

1255641227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 1255641227 is about 35435.0282488952. The cubic root of 1255641227 is about 1078.8354007188.

The spelling of 1255641227 in words is "one billion, two hundred fifty-five million, six hundred forty-one thousand, two hundred twenty-seven".