254128141 has 2 divisors, whose sum is σ = 254128142. Its totient is φ = 254128140.

The previous prime is 254128123. The next prime is 254128157. The reversal of 254128141 is 141821452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242424900 + 11703241 = 15570^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 254128141 - 2¹³ = 254119949 is a prime.

It is a super-2 number, since 2×254128141² = 129162224096231762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254128741) 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, 127064070 + 127064071.

It is an arithmetic number, because the mean of its divisors is an integer number (127064071).

Almost surely, 2^254128141 is an apocalyptic number.

It is an amenable number.

254128141 is a deficient number, since it is larger than the sum of its proper divisors (1).

254128141 is an equidigital number, since it uses as much as digits as its factorization.

254128141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 28.

The square root of 254128141 is about 15941.3970843211. The cubic root of 254128141 is about 633.4090339492.

Adding to 254128141 its reverse (141821452), we get a palindrome (395949593).

The spelling of 254128141 in words is "two hundred fifty-four million, one hundred twenty-eight thousand, one hundred forty-one".