1242344183 has 2 divisors, whose sum is σ = 1242344184. Its totient is φ = 1242344182.

The previous prime is 1242344171. The next prime is 1242344231. The reversal of 1242344183 is 3814432421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242344183 - 2¹⁰ = 1242343159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242344113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621172091 + 621172092.

It is an arithmetic number, because the mean of its divisors is an integer number (621172092).

Almost surely, 2^1242344183 is an apocalyptic number.

1242344183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242344183 is an equidigital number, since it uses as much as digits as its factorization.

1242344183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 32.

The square root of 1242344183 is about 35246.9031689310. The cubic root of 1242344183 is about 1075.0136455452.

The spelling of 1242344183 in words is "one billion, two hundred forty-two million, three hundred forty-four thousand, one hundred eighty-three".