1061066871 has 20 divisors (see below), whose sum is σ = 1627894312. Its totient is φ = 688257648.

The previous prime is 1061066863. The next prime is 1061066887. The reversal of 1061066871 is 1786601601.

It is not a de Polignac number, because 1061066871 - 2³ = 1061066863 is a prime.

It is a super-2 number, since 2×1061066871² = 2251725809467461282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061066371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174025 + ... + 180018.

Almost surely, 2^1061066871 is an apocalyptic number.

1061066871 is a deficient number, since it is larger than the sum of its proper divisors (566827441).

1061066871 is an equidigital number, since it uses as much as digits as its factorization.

1061066871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354092 (or 354083 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1061066871 is about 32574.0214127762. The cubic root of 1061066871 is about 1019.9547817325.

The spelling of 1061066871 in words is "one billion, sixty-one million, sixty-six thousand, eight hundred seventy-one".