120783835454497 has 2 divisors, whose sum is σ = 120783835454498. Its totient is φ = 120783835454496.

The previous prime is 120783835454419. The next prime is 120783835454549. The reversal of 120783835454497 is 794454538387021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117622679469201 + 3161155985296 = 10845399^2 + 1777964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120783835454497 is a prime.

It is not a weakly prime, because it can be changed into another prime (120783835457497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60391917727248 + 60391917727249.

It is an arithmetic number, because the mean of its divisors is an integer number (60391917727249).

Almost surely, 2^{120783835454497} is an apocalyptic number.

It is an amenable number.

120783835454497 is a deficient number, since it is larger than the sum of its proper divisors (1).

120783835454497 is an equidigital number, since it uses as much as digits as its factorization.

120783835454497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 812851200, while the sum is 70.

The spelling of 120783835454497 in words is "one hundred twenty trillion, seven hundred eighty-three billion, eight hundred thirty-five million, four hundred fifty-four thousand, four hundred ninety-seven".