1242343027 has 2 divisors, whose sum is σ = 1242343028. Its totient is φ = 1242343026.

The previous prime is 1242343007. The next prime is 1242343121. The reversal of 1242343027 is 7203432421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242343027 - 2¹⁵ = 1242310259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242342986 and 1242343004.

It is not a weakly prime, because it can be changed into another prime (1242343007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621171513 + 621171514.

It is an arithmetic number, because the mean of its divisors is an integer number (621171514).

Almost surely, 2^1242343027 is an apocalyptic number.

1242343027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242343027 is an equidigital number, since it uses as much as digits as its factorization.

1242343027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1242343027 is about 35246.8867703234. The cubic root of 1242343027 is about 1075.0133121121.

Adding to 1242343027 its reverse (7203432421), we get a palindrome (8445775448).

The spelling of 1242343027 in words is "one billion, two hundred forty-two million, three hundred forty-three thousand, twenty-seven".