1016861 has 8 divisors (see below), whose sum is σ = 1082400. Its totient is φ = 952560.

The previous prime is 1016849. The next prime is 1016879. The reversal of 1016861 is 1686101.

It is a happy number.

1016861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1016861 - 2¹⁸ = 754717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016881) 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, 1826 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (135300).

2^1016861 is an apocalyptic number.

It is an amenable number.

1016861 is a deficient number, since it is larger than the sum of its proper divisors (65539).

1016861 is a wasteful number, since it uses less digits than its factorization.

1016861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1016861 is about 1008.3952598064. The cubic root of 1016861 is about 100.5589037794.

The spelling of 1016861 in words is "one million, sixteen thousand, eight hundred sixty-one".