1301879 has 2 divisors, whose sum is σ = 1301880. Its totient is φ = 1301878.

The previous prime is 1301863. The next prime is 1301887. The reversal of 1301879 is 9781031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301879 - 2⁴ = 1301863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650939 + 650940.

It is an arithmetic number, because the mean of its divisors is an integer number (650940).

2^1301879 is an apocalyptic number.

1301879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301879 is an equidigital number, since it uses as much as digits as its factorization.

1301879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1301879 is about 1140.9991235755. Note that the first 3 decimals coincide. The cubic root of 1301879 is about 109.1918457418.

The spelling of 1301879 in words is "one million, three hundred one thousand, eight hundred seventy-nine".