1275141671 has 2 divisors, whose sum is σ = 1275141672. Its totient is φ = 1275141670.

The previous prime is 1275141641. The next prime is 1275141677. The reversal of 1275141671 is 1761415721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275141671 is a prime.

It is a super-2 number, since 2×1275141671² = 3251972562241344482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275141677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637570835 + 637570836.

It is an arithmetic number, because the mean of its divisors is an integer number (637570836).

Almost surely, 2^1275141671 is an apocalyptic number.

1275141671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275141671 is an equidigital number, since it uses as much as digits as its factorization.

1275141671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 35.

The square root of 1275141671 is about 35709.1258784082. The cubic root of 1275141671 is about 1084.3916035306.

The spelling of 1275141671 in words is "one billion, two hundred seventy-five million, one hundred forty-one thousand, six hundred seventy-one".