1082491871 has 2 divisors, whose sum is σ = 1082491872. Its totient is φ = 1082491870.

The previous prime is 1082491819. The next prime is 1082491873. The reversal of 1082491871 is 1781942801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1082491871 - 2¹⁰ = 1082490847 is a prime.

Together with 1082491873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1082491873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541245935 + 541245936.

It is an arithmetic number, because the mean of its divisors is an integer number (541245936).

Almost surely, 2^1082491871 is an apocalyptic number.

1082491871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082491871 is an equidigital number, since it uses as much as digits as its factorization.

1082491871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1082491871 is about 32901.2442165946. The cubic root of 1082491871 is about 1026.7740432872.

The spelling of 1082491871 in words is "one billion, eighty-two million, four hundred ninety-one thousand, eight hundred seventy-one".