1230390719 has 2 divisors, whose sum is σ = 1230390720. Its totient is φ = 1230390718.

The previous prime is 1230390701. The next prime is 1230390739. The reversal of 1230390719 is 9170930321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230390719 - 2²⁴ = 1213613503 is a prime.

It is a super-2 number, since 2×1230390719² = 3027722642802673922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230390739) 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, 615195359 + 615195360.

It is an arithmetic number, because the mean of its divisors is an integer number (615195360).

Almost surely, 2^1230390719 is an apocalyptic number.

1230390719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230390719 is an equidigital number, since it uses as much as digits as its factorization.

1230390719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1230390719 is about 35076.9257347334. The cubic root of 1230390719 is about 1071.5547082116.

The spelling of 1230390719 in words is "one billion, two hundred thirty million, three hundred ninety thousand, seven hundred nineteen".