10120240243 has 2 divisors, whose sum is σ = 10120240244. Its totient is φ = 10120240242.

The previous prime is 10120240183. The next prime is 10120240261. The reversal of 10120240243 is 34204202101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120240243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120240243.

It is not a weakly prime, because it can be changed into another prime (10120247243) 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 as a sum of consecutive naturals, namely, 5060120121 + 5060120122.

It is an arithmetic number, because the mean of its divisors is an integer number (5060120122).

Almost surely, 2^10120240243 is an apocalyptic number.

10120240243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120240243 is an equidigital number, since it uses as much as digits as its factorization.

10120240243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10120240243 its reverse (34204202101), we get a palindrome (44324442344).

The spelling of 10120240243 in words is "ten billion, one hundred twenty million, two hundred forty thousand, two hundred forty-three".