1255000127 has 2 divisors, whose sum is σ = 1255000128. Its totient is φ = 1255000126.

The previous prime is 1255000121. The next prime is 1255000139. The reversal of 1255000127 is 7210005521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255000127 - 2²⁸ = 986564671 is a prime.

It is a super-2 number, since 2×1255000127² = 3150050637540032258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255000121) 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, 627500063 + 627500064.

It is an arithmetic number, because the mean of its divisors is an integer number (627500064).

Almost surely, 2^1255000127 is an apocalyptic number.

1255000127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255000127 is an equidigital number, since it uses as much as digits as its factorization.

1255000127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1255000127 is about 35425.9809603065. The cubic root of 1255000127 is about 1078.6517603854.

Adding to 1255000127 its reverse (7210005521), we get a palindrome (8465005648).

The spelling of 1255000127 in words is "one billion, two hundred fifty-five million, one hundred twenty-seven", and thus it is an aban number.