256127119 has 2 divisors, whose sum is σ = 256127120. Its totient is φ = 256127118.

The previous prime is 256127093. The next prime is 256127141. The reversal of 256127119 is 911721652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256127119 is a prime.

It is a super-2 number, since 2×256127119² = 131202202174480322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256127519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128063559 + 128063560.

It is an arithmetic number, because the mean of its divisors is an integer number (128063560).

Almost surely, 2^256127119 is an apocalyptic number.

256127119 is a deficient number, since it is larger than the sum of its proper divisors (1).

256127119 is an equidigital number, since it uses as much as digits as its factorization.

256127119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 256127119 is about 16003.9719757315. The cubic root of 256127119 is about 635.0655017475.

The spelling of 256127119 in words is "two hundred fifty-six million, one hundred twenty-seven thousand, one hundred nineteen".