120244240651 has 2 divisors, whose sum is σ = 120244240652. Its totient is φ = 120244240650.

The previous prime is 120244240609. The next prime is 120244240681. The reversal of 120244240651 is 156042442021.

It is a strong prime.

It is an emirp because it is prime and its reverse (156042442021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120244240651 - 2²¹ = 120242143499 is a prime.

It is not a weakly prime, because it can be changed into another prime (120244240681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60122120325 + 60122120326.

It is an arithmetic number, because the mean of its divisors is an integer number (60122120326).

Almost surely, 2^120244240651 is an apocalyptic number.

120244240651 is a deficient number, since it is larger than the sum of its proper divisors (1).

120244240651 is an equidigital number, since it uses as much as digits as its factorization.

120244240651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 120244240651 its reverse (156042442021), we get a palindrome (276286682672).

The spelling of 120244240651 in words is "one hundred twenty billion, two hundred forty-four million, two hundred forty thousand, six hundred fifty-one".