1213300079 has 2 divisors, whose sum is σ = 1213300080. Its totient is φ = 1213300078.

The previous prime is 1213300073. The next prime is 1213300133. The reversal of 1213300079 is 9700033121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213300079 - 2⁸ = 1213299823 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 (1213300073) 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, 606650039 + 606650040.

It is an arithmetic number, because the mean of its divisors is an integer number (606650040).

Almost surely, 2^1213300079 is an apocalyptic number.

1213300079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213300079 is an equidigital number, since it uses as much as digits as its factorization.

1213300079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1213300079 is about 34832.4572633054. The cubic root of 1213300079 is about 1066.5701098904.

The spelling of 1213300079 in words is "one billion, two hundred thirteen million, three hundred thousand, seventy-nine".