1243230119 has 2 divisors, whose sum is σ = 1243230120. Its totient is φ = 1243230118.

The previous prime is 1243230049. The next prime is 1243230137. The reversal of 1243230119 is 9110323421.

It is a strong prime.

It is an emirp because it is prime and its reverse (9110323421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1243230119 - 2⁸ = 1243229863 is a prime.

It is a super-2 number, since 2×1243230119² = 3091242257577508322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243230199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621615059 + 621615060.

It is an arithmetic number, because the mean of its divisors is an integer number (621615060).

Almost surely, 2^1243230119 is an apocalyptic number.

1243230119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243230119 is an equidigital number, since it uses as much as digits as its factorization.

1243230119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1243230119 is about 35259.4685013827. The cubic root of 1243230119 is about 1075.2691214438.

The spelling of 1243230119 in words is "one billion, two hundred forty-three million, two hundred thirty thousand, one hundred nineteen".