1061791 has 4 divisors (see below), whose sum is σ = 1068712. Its totient is φ = 1054872.

The previous prime is 1061783. The next prime is 1061807. The reversal of 1061791 is 1971601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061791 - 2³ = 1061783 is a prime.

It is a super-2 number, since 2×1061791² = 2254800255362, 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 (1061771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225 + ... + 3538.

It is an arithmetic number, because the mean of its divisors is an integer number (267178).

2^1061791 is an apocalyptic number.

1061791 is a deficient number, since it is larger than the sum of its proper divisors (6921).

1061791 is an equidigital number, since it uses as much as digits as its factorization.

1061791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1061791 is about 1030.4324334958. The cubic root of 1061791 is about 102.0186752938.

The spelling of 1061791 in words is "one million, sixty-one thousand, seven hundred ninety-one".