1026791 has 2 divisors, whose sum is σ = 1026792. Its totient is φ = 1026790.

The previous prime is 1026761. The next prime is 1026799. The reversal of 1026791 is 1976201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1976201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1026791 - 2¹⁰ = 1025767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513395 + 513396.

It is an arithmetic number, because the mean of its divisors is an integer number (513396).

2^1026791 is an apocalyptic number.

1026791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026791 is an equidigital number, since it uses as much as digits as its factorization.

1026791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1026791 is about 1013.3069623762. The cubic root of 1026791 is about 100.8851748690.

The spelling of 1026791 in words is "one million, twenty-six thousand, seven hundred ninety-one".