1081782671 has 2 divisors, whose sum is σ = 1081782672. Its totient is φ = 1081782670.

The previous prime is 1081782659. The next prime is 1081782677. The reversal of 1081782671 is 1762871801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1081782671 - 2¹⁰ = 1081781647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081782677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540891335 + 540891336.

It is an arithmetic number, because the mean of its divisors is an integer number (540891336).

Almost surely, 2^1081782671 is an apocalyptic number.

1081782671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081782671 is an equidigital number, since it uses as much as digits as its factorization.

1081782671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 41.

The square root of 1081782671 is about 32890.4647428400. The cubic root of 1081782671 is about 1026.5497622389.

The spelling of 1081782671 in words is "one billion, eighty-one million, seven hundred eighty-two thousand, six hundred seventy-one".