1341779 has 2 divisors, whose sum is σ = 1341780. Its totient is φ = 1341778.

The previous prime is 1341757. The next prime is 1341787. The reversal of 1341779 is 9771431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1341779 - 2⁸ = 1341523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344779) 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 as a sum of consecutive naturals, namely, 670889 + 670890.

It is an arithmetic number, because the mean of its divisors is an integer number (670890).

2^1341779 is an apocalyptic number.

1341779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341779 is an equidigital number, since it uses as much as digits as its factorization.

1341779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 32.

The square root of 1341779 is about 1158.3518463748. The cubic root of 1341779 is about 110.2961441482.

The spelling of 1341779 in words is "one million, three hundred forty-one thousand, seven hundred seventy-nine".