1361791 has 2 divisors, whose sum is σ = 1361792. Its totient is φ = 1361790.

The previous prime is 1361777. The next prime is 1361803. The reversal of 1361791 is 1971631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361791 - 2⁹ = 1361279 is a prime.

It is a Chen prime.

1361791 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680895 + 680896.

It is an arithmetic number, because the mean of its divisors is an integer number (680896).

2^1361791 is an apocalyptic number.

1361791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361791 is an equidigital number, since it uses as much as digits as its factorization.

1361791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 28.

The square root of 1361791 is about 1166.9580112412. The cubic root of 1361791 is about 110.8417787423.

The spelling of 1361791 in words is "one million, three hundred sixty-one thousand, seven hundred ninety-one".