1359979 has 2 divisors, whose sum is σ = 1359980. Its totient is φ = 1359978.

The previous prime is 1359977. The next prime is 1359991. The reversal of 1359979 is 9799531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1359979 - 2¹ = 1359977 is a prime.

Together with 1359977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1359971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679989 + 679990.

It is an arithmetic number, because the mean of its divisors is an integer number (679990).

2^1359979 is an apocalyptic number.

1359979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359979 is an equidigital number, since it uses as much as digits as its factorization.

1359979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 43.

The square root of 1359979 is about 1166.1813752586. The cubic root of 1359979 is about 110.7925948732.

The spelling of 1359979 in words is "one million, three hundred fifty-nine thousand, nine hundred seventy-nine".