1230863079 has 4 divisors (see below), whose sum is σ = 1641150776. Its totient is φ = 820575384.

The previous prime is 1230863077. The next prime is 1230863093. The reversal of 1230863079 is 9703680321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9703680321 = 3 ⋅3234560107.

It is not a de Polignac number, because 1230863079 - 2¹ = 1230863077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230863077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205143844 + ... + 205143849.

It is an arithmetic number, because the mean of its divisors is an integer number (410287694).

Almost surely, 2^1230863079 is an apocalyptic number.

1230863079 is a deficient number, since it is larger than the sum of its proper divisors (410287697).

1230863079 is an equidigital number, since it uses as much as digits as its factorization.

1230863079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410287696.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1230863079 is about 35083.6582898648. The cubic root of 1230863079 is about 1071.6918177262.

The spelling of 1230863079 in words is "one billion, two hundred thirty million, eight hundred sixty-three thousand, seventy-nine".