1300029979 has 2 divisors, whose sum is σ = 1300029980. Its totient is φ = 1300029978.

The previous prime is 1300029953. The next prime is 1300030007. The reversal of 1300029979 is 9799200031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300029979 - 2⁵ = 1300029947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300029079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650014989 + 650014990.

It is an arithmetic number, because the mean of its divisors is an integer number (650014990).

Almost surely, 2^1300029979 is an apocalyptic number.

1300029979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300029979 is an equidigital number, since it uses as much as digits as its factorization.

1300029979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 1300029979 is about 36055.9284861727. The cubic root of 1300029979 is about 1091.4012724498.

The spelling of 1300029979 in words is "one billion, three hundred million, twenty-nine thousand, nine hundred seventy-nine".