1293000003871 has 2 divisors, whose sum is σ = 1293000003872. Its totient is φ = 1293000003870.

The previous prime is 1293000003857. The next prime is 1293000003941. The reversal of 1293000003871 is 1783000003921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1293000003871 - 2²⁷ = 1292865786143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1293000003821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646500001935 + 646500001936.

It is an arithmetic number, because the mean of its divisors is an integer number (646500001936).

Almost surely, 2^{1293000003871} is an apocalyptic number.

1293000003871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293000003871 is an equidigital number, since it uses as much as digits as its factorization.

1293000003871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1293000003871 in words is "one trillion, two hundred ninety-three billion, three thousand, eight hundred seventy-one".