1361879 has 2 divisors, whose sum is σ = 1361880. Its totient is φ = 1361878.

The previous prime is 1361849. The next prime is 1361903. The reversal of 1361879 is 9781631.

It is a strong prime.

It is an emirp because it is prime and its reverse (9781631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361879 - 2¹⁶ = 1296343 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680939 + 680940.

It is an arithmetic number, because the mean of its divisors is an integer number (680940).

2^1361879 is an apocalyptic number.

1361879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361879 is an equidigital number, since it uses as much as digits as its factorization.

1361879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 1361879 is about 1166.9957155020. The cubic root of 1361879 is about 110.8441662517.

The spelling of 1361879 in words is "one million, three hundred sixty-one thousand, eight hundred seventy-nine".