1255100141 has 2 divisors, whose sum is σ = 1255100142. Its totient is φ = 1255100140.

The previous prime is 1255100137. The next prime is 1255100183. The reversal of 1255100141 is 1410015521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 787026916 + 468073225 = 28054^2 + 21635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255100141 - 2² = 1255100137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627550070 + 627550071.

It is an arithmetic number, because the mean of its divisors is an integer number (627550071).

Almost surely, 2^1255100141 is an apocalyptic number.

It is an amenable number.

1255100141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255100141 is an equidigital number, since it uses as much as digits as its factorization.

1255100141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1255100141 is about 35427.3925233004. The cubic root of 1255100141 is about 1078.6804130814.

Adding to 1255100141 its reverse (1410015521), we get a palindrome (2665115662).

The spelling of 1255100141 in words is "one billion, two hundred fifty-five million, one hundred thousand, one hundred forty-one".