861106012 has 24 divisors (see below), whose sum is σ = 1649463872. Its totient is φ = 390916800.

The previous prime is 861106009. The next prime is 861106027. The reversal of 861106012 is 210601168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132564 + ... + 138907.

Almost surely, 2^861106012 is an apocalyptic number.

It is an amenable number.

861106012 is a deficient number, since it is larger than the sum of its proper divisors (788357860).

861106012 is a wasteful number, since it uses less digits than its factorization.

861106012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271549 (or 271547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 861106012 is about 29344.6078862881. The cubic root of 861106012 is about 951.3760343503.

The spelling of 861106012 in words is "eight hundred sixty-one million, one hundred six thousand, twelve".