1300979 has 2 divisors, whose sum is σ = 1300980. Its totient is φ = 1300978.

The previous prime is 1300967. The next prime is 1300997. The reversal of 1300979 is 9790031.

Together with next prime (1300997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300979 - 2⁴ = 1300963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650489 + 650490.

It is an arithmetic number, because the mean of its divisors is an integer number (650490).

2^1300979 is an apocalyptic number.

1300979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300979 is an equidigital number, since it uses as much as digits as its factorization.

1300979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1300979 is about 1140.6046642023. The cubic root of 1300979 is about 109.1666781915.

The spelling of 1300979 in words is "one million, three hundred thousand, nine hundred seventy-nine".