10971861 has 8 divisors (see below), whose sum is σ = 15101184. Its totient is φ = 7078560.

The previous prime is 10971847. The next prime is 10971871. The reversal of 10971861 is 16817901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10971861 - 2⁹ = 10971349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58896 + ... + 59081.

It is an arithmetic number, because the mean of its divisors is an integer number (1887648).

Almost surely, 2^10971861 is an apocalyptic number.

It is an amenable number.

10971861 is a deficient number, since it is larger than the sum of its proper divisors (4129323).

10971861 is a wasteful number, since it uses less digits than its factorization.

10971861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118011.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 10971861 is about 3312.3799600891. The cubic root of 10971861 is about 222.2082090145.

It can be divided in two parts, 10971 and 861, that multiplied together give a triangular number (9446031 = T₄₃₄₆).

The spelling of 10971861 in words is "ten million, nine hundred seventy-one thousand, eight hundred sixty-one".