1230213079 has 2 divisors, whose sum is σ = 1230213080. Its totient is φ = 1230213078.

The previous prime is 1230213067. The next prime is 1230213137. The reversal of 1230213079 is 9703120321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230213079 - 2¹⁵ = 1230180311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230219079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615106539 + 615106540.

It is an arithmetic number, because the mean of its divisors is an integer number (615106540).

Almost surely, 2^1230213079 is an apocalyptic number.

1230213079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230213079 is an equidigital number, since it uses as much as digits as its factorization.

1230213079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1230213079 is about 35074.3934943999. The cubic root of 1230213079 is about 1071.5031364800.

The spelling of 1230213079 in words is "one billion, two hundred thirty million, two hundred thirteen thousand, seventy-nine".